https://leetcode-solutions-5zk.pages.dev/difficulties/medium/Recent content in Medium on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://leetcode-solutions-5zk.pages.dev/posts/3418-maximum-amount-of-money-robot-can-earn/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3418-maximum-amount-of-money-robot-can-earn/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3440-reschedule-meetings-for-maximum-free-time-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3440-reschedule-meetings-for-maximum-free-time-ii/Medium | Array, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1631-path-with-minimum-effort/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1631-path-with-minimum-effort/Medium | Array, Binary Search, Depth-First Search, Breadth-First Search, Union-Find, Heap (Priority Queue), 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+0000https://leetcode-solutions-5zk.pages.dev/posts/2018-check-if-word-can-be-placed-in-crossword/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2023-number-of-pairs-of-strings-with-concatenation-equal-to-target/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2023-number-of-pairs-of-strings-with-concatenation-equal-to-target/Medium | Array, Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2039-the-time-when-the-network-becomes-idle/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2039-the-time-when-the-network-becomes-idle/Medium | Array, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2058-find-the-minimum-and-maximum-number-of-nodes-between-critical-points/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2058-find-the-minimum-and-maximum-number-of-nodes-between-critical-points/Medium | Linked 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Breadth-First Search, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2233-maximum-product-after-k-increments/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2233-maximum-product-after-k-increments/Medium | Array, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2257-count-unguarded-cells-in-the-grid/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2257-count-unguarded-cells-in-the-grid/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2261-k-divisible-elements-subarrays/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2261-k-divisible-elements-subarrays/Medium | Array, Hash Table, Trie, Rolling Hash, Hash Function, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2284-sender-with-largest-word-count/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2284-sender-with-largest-word-count/Medium | Array, Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2333-minimum-sum-of-squared-difference/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2333-minimum-sum-of-squared-difference/Medium | Array, Binary Search, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2359-find-closest-node-to-given-two-nodes/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2359-find-closest-node-to-given-two-nodes/Medium | Depth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2391-minimum-amount-of-time-to-collect-garbage/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2391-minimum-amount-of-time-to-collect-garbage/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Medium | Array, Backtracking, Bit Manipulation, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2400-number-of-ways-to-reach-a-position-after-exactly-k-steps/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2400-number-of-ways-to-reach-a-position-after-exactly-k-steps/Medium | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/0036-valid-sudoku/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0036-valid-sudoku/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0007-reverse-integer/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0007-reverse-integer/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0072-edit-distance/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0072-edit-distance/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1003-check-if-word-is-valid-after-substitutions/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1003-check-if-word-is-valid-after-substitutions/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1023-camelcase-matching/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1023-camelcase-matching/Medium | Array, Two Pointers, String, Trie, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/1034-coloring-a-border/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1034-coloring-a-border/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1035-uncrossed-lines/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1035-uncrossed-lines/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1093-statistics-from-a-large-sample/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1093-statistics-from-a-large-sample/Medium | Array, Math, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/1129-shortest-path-with-alternating-colors/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1129-shortest-path-with-alternating-colors/Medium | Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1139-largest-1-bordered-square/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1139-largest-1-bordered-square/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1143-longest-common-subsequence/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1143-longest-common-subsequence/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1162-as-far-from-land-as-possible/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1162-as-far-from-land-as-possible/Medium | Array, Dynamic Programming, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1169-invalid-transactions/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1169-invalid-transactions/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1239-maximum-length-of-a-concatenated-string-with-unique-characters/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1239-maximum-length-of-a-concatenated-string-with-unique-characters/Medium | Array, String, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1267-count-servers-that-communicate/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1267-count-servers-that-communicate/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1277-count-square-submatrices-with-all-ones/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1277-count-square-submatrices-with-all-ones/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1288-remove-covered-intervals/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1288-remove-covered-intervals/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1300-sum-of-mutated-array-closest-to-target/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1300-sum-of-mutated-array-closest-to-target/Medium | Array, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0131-palindrome-partitioning/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0131-palindrome-partitioning/Medium | String, Dynamic Programming, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1333-filter-restaurants-by-vegan-friendly-price-and-distance/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1333-filter-restaurants-by-vegan-friendly-price-and-distance/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1362-closest-divisors/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1362-closest-divisors/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1390-four-divisors/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1390-four-divisors/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1405-longest-happy-string/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1405-longest-happy-string/Medium | String, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1438-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1438-longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit/Medium | Array, Queue, Sliding Window, Heap (Priority Queue), Ordered Set, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/1442-count-triplets-that-can-form-two-arrays-of-equal-xor/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1442-count-triplets-that-can-form-two-arrays-of-equal-xor/Medium | Array, Hash Table, Math, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1443-minimum-time-to-collect-all-apples-in-a-tree/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1443-minimum-time-to-collect-all-apples-in-a-tree/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1447-simplified-fractions/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1447-simplified-fractions/Medium | Math, String, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1452-people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1452-people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1482-minimum-number-of-days-to-make-m-bouquets/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1482-minimum-number-of-days-to-make-m-bouquets/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1488-avoid-flood-in-the-city/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1488-avoid-flood-in-the-city/Medium | Array, Hash Table, Binary Search, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1504-count-submatrices-with-all-ones/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1504-count-submatrices-with-all-ones/Medium | Array, Dynamic Programming, Stack, Matrix, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1536-minimum-swaps-to-arrange-a-binary-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1536-minimum-swaps-to-arrange-a-binary-grid/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1559-detect-cycles-in-2d-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1559-detect-cycles-in-2d-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1577-number-of-ways-where-square-of-number-is-equal-to-product-of-two-numbers/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1577-number-of-ways-where-square-of-number-is-equal-to-product-of-two-numbers/Medium | Array, Hash Table, Math, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/1620-coordinate-with-maximum-network-quality/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1620-coordinate-with-maximum-network-quality/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1625-lexicographically-smallest-string-after-applying-operations/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1625-lexicographically-smallest-string-after-applying-operations/Medium | String, Depth-First Search, Breadth-First Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1914-cyclically-rotating-a-grid/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1914-cyclically-rotating-a-grid/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1915-number-of-wonderful-substrings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1915-number-of-wonderful-substrings/Medium | Hash Table, String, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0199-binary-tree-right-side-view/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0199-binary-tree-right-side-view/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0221-maximal-square/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0221-maximal-square/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2766-relocate-marbles/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2766-relocate-marbles/Medium | Array, Hash Table, Sorting, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2767-partition-string-into-minimum-beautiful-substrings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2767-partition-string-into-minimum-beautiful-substrings/Medium | Hash Table, String, Dynamic Programming, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/2768-number-of-black-blocks/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2768-number-of-black-blocks/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2770-maximum-number-of-jumps-to-reach-the-last-index/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2770-maximum-number-of-jumps-to-reach-the-last-index/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2771-longest-non-decreasing-subarray-from-two-arrays/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2771-longest-non-decreasing-subarray-from-two-arrays/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2772-apply-operations-to-make-all-array-elements-equal-to-zero/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2772-apply-operations-to-make-all-array-elements-equal-to-zero/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2779-maximum-beauty-of-an-array-after-applying-operation/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2779-maximum-beauty-of-an-array-after-applying-operation/Medium | Array, Binary Search, Sliding Window, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2780-minimum-index-of-a-valid-split/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2780-minimum-index-of-a-valid-split/Medium | Array, Hash Table, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2785-sort-vowels-in-a-string/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2785-sort-vowels-in-a-string/Medium | String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2786-visit-array-positions-to-maximize-score/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2786-visit-array-positions-to-maximize-score/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2787-ways-to-express-an-integer-as-sum-of-powers/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2787-ways-to-express-an-integer-as-sum-of-powers/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2789-largest-element-in-an-array-after-merge-operations/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2789-largest-element-in-an-array-after-merge-operations/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2799-count-complete-subarrays-in-an-array/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2799-count-complete-subarrays-in-an-array/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2800-shortest-string-that-contains-three-strings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2800-shortest-string-that-contains-three-strings/Medium | String, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0289-game-of-life/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0289-game-of-life/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0306-additive-number/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0306-additive-number/Medium | String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0313-super-ugly-number/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0313-super-ugly-number/Medium | Array, Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0318-maximum-product-of-word-lengths/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0318-maximum-product-of-word-lengths/Medium | Array, String, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3572-maximize-ysum-by-picking-a-triplet-of-distinct-xvalues/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3572-maximize-ysum-by-picking-a-triplet-of-distinct-xvalues/Medium | Array, Hash Table, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3573-best-time-to-buy-and-sell-stock-v/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3573-best-time-to-buy-and-sell-stock-v/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3576-transform-array-to-all-equal-elements/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3576-transform-array-to-all-equal-elements/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3577-count-the-number-of-computer-unlocking-permutations/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3577-count-the-number-of-computer-unlocking-permutations/Medium | Array, Math, Brainteaser, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3578-count-partitions-with-max-min-difference-at-most-k/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3578-count-partitions-with-max-min-difference-at-most-k/Medium | Array, Dynamic Programming, Queue, Sliding Window, Prefix Sum, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/0368-largest-divisible-subset/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0368-largest-divisible-subset/Medium | Array, Math, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0038-count-and-say/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0038-count-and-say/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0386-lexicographical-numbers/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0386-lexicographical-numbers/Medium | Depth-First Search, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0395-longest-substring-with-at-least-k-repeating-characters/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0395-longest-substring-with-at-least-k-repeating-characters/Medium | Hash Table, String, Divide and Conquer, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0406-queue-reconstruction-by-height/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0406-queue-reconstruction-by-height/Medium | Array, Binary Indexed Tree, Segment Tree, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0419-battleships-in-a-board/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0419-battleships-in-a-board/Medium | Array, Depth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0427-construct-quad-tree/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0427-construct-quad-tree/Medium | Array, Divide and Conquer, Tree, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0447-number-of-boomerangs/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0447-number-of-boomerangs/Medium | Array, Hash Table, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0467-unique-substrings-in-wraparound-string/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0467-unique-substrings-in-wraparound-string/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0474-ones-and-zeroes/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0474-ones-and-zeroes/Medium | Array, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0513-find-bottom-left-tree-value/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0513-find-bottom-left-tree-value/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0516-longest-palindromic-subsequence/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0516-longest-palindromic-subsequence/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0522-longest-uncommon-subsequence-ii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0522-longest-uncommon-subsequence-ii/Medium | Array, Hash Table, Two Pointers, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0524-longest-word-in-dictionary-through-deleting/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0524-longest-word-in-dictionary-through-deleting/Medium | Array, Two Pointers, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0526-beautiful-arrangement/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0526-beautiful-arrangement/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/0542-01-matrix/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0542-01-matrix/Medium | Array, Dynamic Programming, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0547-number-of-provinces/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0547-number-of-provinces/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0560-subarray-sum-equals-k/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0560-subarray-sum-equals-k/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0583-delete-operation-for-two-strings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0583-delete-operation-for-two-strings/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0640-solve-the-equation/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0640-solve-the-equation/Medium | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0665-non-decreasing-array/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0665-non-decreasing-array/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/0677-map-sum-pairs/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0677-map-sum-pairs/Medium | Hash Table, String, Design, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0692-top-k-frequent-words/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0692-top-k-frequent-words/Medium | Array, Hash Table, String, Trie, Sorting, Heap (Priority Queue), Bucket Sort, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0695-max-area-of-island/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0695-max-area-of-island/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0712-minimum-ascii-delete-sum-for-two-strings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0712-minimum-ascii-delete-sum-for-two-strings/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0718-maximum-length-of-repeated-subarray/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0718-maximum-length-of-repeated-subarray/Medium | Array, Binary Search, Dynamic Programming, Sliding Window, Rolling Hash, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/0722-remove-comments/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0722-remove-comments/Medium | Array, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0735-asteroid-collision/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0735-asteroid-collision/Medium | Array, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0785-is-graph-bipartite/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0785-is-graph-bipartite/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0792-number-of-matching-subsequences/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0792-number-of-matching-subsequences/Medium | Array, Hash Table, String, Binary Search, Dynamic Programming, Trie, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0794-valid-tic-tac-toe-state/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0794-valid-tic-tac-toe-state/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0809-expressive-words/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0809-expressive-words/Medium | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0811-subdomain-visit-count/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0811-subdomain-visit-count/Medium | Array, Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0823-binary-trees-with-factors/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0823-binary-trees-with-factors/Medium | Array, Hash Table, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0835-image-overlap/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0835-image-overlap/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0886-possible-bipartition/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0886-possible-bipartition/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0893-groups-of-special-equivalent-strings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0893-groups-of-special-equivalent-strings/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0090-subsets-ii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0090-subsets-ii/Medium | Array, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0904-fruit-into-baskets/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0904-fruit-into-baskets/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0923-3sum-with-multiplicity/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0923-3sum-with-multiplicity/Medium | Array, Hash Table, Two Pointers, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0934-shortest-bridge/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0934-shortest-bridge/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0937-reorder-data-in-log-files/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0937-reorder-data-in-log-files/Medium | Array, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0939-minimum-area-rectangle/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0939-minimum-area-rectangle/Medium | Array, Hash Table, Math, Geometry, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0959-regions-cut-by-slashes/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0959-regions-cut-by-slashes/Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0963-minimum-area-rectangle-ii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0963-minimum-area-rectangle-ii/Medium | Array, Hash Table, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/0969-pancake-sorting/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0969-pancake-sorting/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0970-powerful-integers/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0970-powerful-integers/Medium | Hash Table, Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0973-k-closest-points-to-origin/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0973-k-closest-points-to-origin/Medium | Array, Math, Divide and Conquer, Geometry, Sorting, Heap (Priority Queue), Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/0988-smallest-string-starting-from-leaf/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0988-smallest-string-starting-from-leaf/Medium | String, Backtracking, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0994-rotting-oranges/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0994-rotting-oranges/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3201-find-the-maximum-length-of-valid-subsequence-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3201-find-the-maximum-length-of-valid-subsequence-i/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3202-find-the-maximum-length-of-valid-subsequence-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3202-find-the-maximum-length-of-valid-subsequence-ii/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3207-maximum-points-after-enemy-battles/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3207-maximum-points-after-enemy-battles/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3208-alternating-groups-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3208-alternating-groups-ii/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3211-generate-binary-strings-without-adjacent-zeros/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3211-generate-binary-strings-without-adjacent-zeros/Medium | String, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3212-count-submatrices-with-equal-frequency-of-x-and-y/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3212-count-submatrices-with-equal-frequency-of-x-and-y/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3217-delete-nodes-from-linked-list-present-in-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3217-delete-nodes-from-linked-list-present-in-array/Medium | Array, Hash Table, Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/3218-minimum-cost-for-cutting-cake-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3218-minimum-cost-for-cutting-cake-i/Medium | Array, Two Pointers, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3223-minimum-length-of-string-after-operations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3223-minimum-length-of-string-after-operations/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3224-minimum-array-changes-to-make-differences-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3224-minimum-array-changes-to-make-differences-equal/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3227-vowels-game-in-a-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3227-vowels-game-in-a-string/Medium | Math, String, Brainteaser, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3228-maximum-number-of-operations-to-move-ones-to-the-end/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3228-maximum-number-of-operations-to-move-ones-to-the-end/Medium | String, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3233-find-the-count-of-numbers-which-are-not-special/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3233-find-the-count-of-numbers-which-are-not-special/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3234-count-the-number-of-substrings-with-dominant-ones/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3234-count-the-number-of-substrings-with-dominant-ones/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3243-shortest-distance-after-road-addition-queries-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3243-shortest-distance-after-road-addition-queries-i/Medium | Array, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3249-count-the-number-of-good-nodes/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3249-count-the-number-of-good-nodes/Medium | Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3254-find-the-power-of-k-size-subarrays-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3254-find-the-power-of-k-size-subarrays-i/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3255-find-the-power-of-k-size-subarrays-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3255-find-the-power-of-k-size-subarrays-ii/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3259-maximum-energy-boost-from-two-drinks/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3259-maximum-energy-boost-from-two-drinks/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3265-count-almost-equal-pairs-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3265-count-almost-equal-pairs-i/Medium | Array, Hash Table, Sorting, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3271-hash-divided-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3271-hash-divided-string/Medium | String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3275-k-th-nearest-obstacle-queries/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3275-k-th-nearest-obstacle-queries/Medium | Array, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3281-maximize-score-of-numbers-in-ranges/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3281-maximize-score-of-numbers-in-ranges/Medium | Array, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3282-reach-end-of-array-with-max-score/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3282-reach-end-of-array-with-max-score/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3286-find-a-safe-walk-through-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3286-find-a-safe-walk-through-a-grid/Medium | Array, Breadth-First Search, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3290-maximum-multiplication-score/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3290-maximum-multiplication-score/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3291-minimum-number-of-valid-strings-to-form-target-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3291-minimum-number-of-valid-strings-to-form-target-i/Medium | Array, String, Binary Search, Dynamic Programming, Greedy, Trie, Segment Tree, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3295-report-spam-message/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3295-report-spam-message/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3296-minimum-number-of-seconds-to-make-mountain-height-zero/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3296-minimum-number-of-seconds-to-make-mountain-height-zero/Medium | Array, Math, Binary Search, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3297-count-substrings-that-can-be-rearranged-to-contain-a-string-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3297-count-substrings-that-can-be-rearranged-to-contain-a-string-i/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3301-maximize-the-total-height-of-unique-towers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3301-maximize-the-total-height-of-unique-towers/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3302-find-the-lexicographically-smallest-valid-sequence/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3302-find-the-lexicographically-smallest-valid-sequence/Medium | Two Pointers, String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3305-count-of-substrings-containing-every-vowel-and-k-consonants-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3305-count-of-substrings-containing-every-vowel-and-k-consonants-i/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3306-count-of-substrings-containing-every-vowel-and-k-consonants-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3306-count-of-substrings-containing-every-vowel-and-k-consonants-ii/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3309-maximum-possible-number-by-binary-concatenation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3309-maximum-possible-number-by-binary-concatenation/Medium | Array, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3310-remove-methods-from-project/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3310-remove-methods-from-project/Medium | Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3315-construct-the-minimum-bitwise-array-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3315-construct-the-minimum-bitwise-array-ii/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3316-find-maximum-removals-from-source-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3316-find-maximum-removals-from-source-string/Medium | Array, Hash Table, Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3319-k-th-largest-perfect-subtree-size-in-binary-tree/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3319-k-th-largest-perfect-subtree-size-in-binary-tree/Medium | Tree, Depth-First Search, Sorting, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/3324-find-the-sequence-of-strings-appeared-on-the-screen/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3324-find-the-sequence-of-strings-appeared-on-the-screen/Medium | String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3325-count-substrings-with-k-frequency-characters-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3325-count-substrings-with-k-frequency-characters-i/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3326-minimum-division-operations-to-make-array-non-decreasing/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3326-minimum-division-operations-to-make-array-non-decreasing/Medium | Array, Math, Greedy, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3331-find-subtree-sizes-after-changes/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3331-find-subtree-sizes-after-changes/Medium | Array, Hash Table, String, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3332-maximum-points-tourist-can-earn/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3332-maximum-points-tourist-can-earn/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3334-find-the-maximum-factor-score-of-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3334-find-the-maximum-factor-score-of-array/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3335-total-characters-in-string-after-transformations-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3335-total-characters-in-string-after-transformations-i/Medium | Hash Table, Math, String, Dynamic Programming, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3341-find-minimum-time-to-reach-last-room-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3341-find-minimum-time-to-reach-last-room-i/Medium | Array, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3342-find-minimum-time-to-reach-last-room-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3342-find-minimum-time-to-reach-last-room-ii/Medium | Array, Graph Theory, Heap (Priority Queue), Matrix, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3346-maximum-frequency-of-an-element-after-performing-operations-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3346-maximum-frequency-of-an-element-after-performing-operations-i/Medium | Array, Binary Search, Sliding Window, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3350-adjacent-increasing-subarrays-detection-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3350-adjacent-increasing-subarrays-detection-ii/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3355-zero-array-transformation-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3355-zero-array-transformation-i/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3356-zero-array-transformation-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3356-zero-array-transformation-ii/Medium | Array, Two Pointers, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3361-shift-distance-between-two-strings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3361-shift-distance-between-two-strings/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3362-zero-array-transformation-iii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3362-zero-array-transformation-iii/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3365-rearrange-k-substrings-to-form-target-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3365-rearrange-k-substrings-to-form-target-string/Medium | Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3366-minimum-array-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3366-minimum-array-sum/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3371-identify-the-largest-outlier-in-an-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3371-identify-the-largest-outlier-in-an-array/Medium | Array, Hash Table, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3372-maximize-the-number-of-target-nodes-after-connecting-trees-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3372-maximize-the-number-of-target-nodes-after-connecting-trees-i/Medium | Tree, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3376-minimum-time-to-break-locks-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3376-minimum-time-to-break-locks-i/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Breadth-First Search, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3377-digit-operations-to-make-two-integers-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3377-digit-operations-to-make-two-integers-equal/Medium | Math, Graph Theory, Heap (Priority Queue), Number Theory, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3380-maximum-area-rectangle-with-point-constraints-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3380-maximum-area-rectangle-with-point-constraints-i/Medium | Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3381-maximum-subarray-sum-with-length-divisible-by-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3381-maximum-subarray-sum-with-length-divisible-by-k/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3387-maximize-amount-after-two-days-of-conversions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3387-maximize-amount-after-two-days-of-conversions/Medium | Array, String, Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3388-count-beautiful-splits-in-an-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3388-count-beautiful-splits-in-an-array/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3393-count-paths-with-the-given-xor-value/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3393-count-paths-with-the-given-xor-value/Medium | Array, Dynamic Programming, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3394-check-if-grid-can-be-cut-into-sections/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3394-check-if-grid-can-be-cut-into-sections/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3397-maximum-number-of-distinct-elements-after-operations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3397-maximum-number-of-distinct-elements-after-operations/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Medium | Two Pointers, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3404-count-special-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3404-count-special-subsequences/Medium | Array, Hash Table, Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3408-design-task-manager/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3408-design-task-manager/Medium | Hash Table, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3409-longest-subsequence-with-decreasing-adjacent-difference/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3409-longest-subsequence-with-decreasing-adjacent-difference/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3412-find-mirror-score-of-a-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3412-find-mirror-score-of-a-string/Medium | Hash Table, String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3413-maximum-coins-from-k-consecutive-bags/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3413-maximum-coins-from-k-consecutive-bags/Medium | Array, Binary Search, Greedy, Sliding Window, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3419-minimize-the-maximum-edge-weight-of-graph/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3419-minimize-the-maximum-edge-weight-of-graph/Medium | Binary Search, Depth-First Search, Breadth-First Search, Graph Theory, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3424-minimum-cost-to-make-arrays-identical/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3424-minimum-cost-to-make-arrays-identical/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3428-maximum-and-minimum-sums-of-at-most-size-k-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3428-maximum-and-minimum-sums-of-at-most-size-k-subsequences/Medium | Array, Math, Dynamic Programming, Sorting, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3429-paint-house-iv/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3429-paint-house-iv/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3433-count-mentions-per-user/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3433-count-mentions-per-user/Medium | Array, Math, Sorting, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3434-maximum-frequency-after-subarray-operation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3434-maximum-frequency-after-subarray-operation/Medium | Array, Hash Table, Dynamic Programming, Greedy, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3439-reschedule-meetings-for-maximum-free-time-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3439-reschedule-meetings-for-maximum-free-time-i/Medium | Array, Greedy, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3443-maximum-manhattan-distance-after-k-changes/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3443-maximum-manhattan-distance-after-k-changes/Medium | Hash Table, Math, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3446-sort-matrix-by-diagonals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3446-sort-matrix-by-diagonals/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3447-assign-elements-to-groups-with-constraints/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3447-assign-elements-to-groups-with-constraints/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/3453-separate-squares-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3453-separate-squares-i/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3457-eat-pizzas/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3457-eat-pizzas/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3458-select-k-disjoint-special-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3458-select-k-disjoint-special-substrings/Medium | Hash Table, String, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3462-maximum-sum-with-at-most-k-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3462-maximum-sum-with-at-most-k-elements/Medium | Array, Greedy, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3468-find-the-number-of-copy-arrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3468-find-the-number-of-copy-arrays/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3469-find-minimum-cost-to-remove-array-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3469-find-minimum-cost-to-remove-array-elements/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3472-longest-palindromic-subsequence-after-at-most-k-operations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3472-longest-palindromic-subsequence-after-at-most-k-operations/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3473-sum-of-k-subarrays-with-length-at-least-m/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3473-sum-of-k-subarrays-with-length-at-least-m/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3478-choose-k-elements-with-maximum-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3478-choose-k-elements-with-maximum-sum/Medium | Array, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3479-fruits-into-baskets-iii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3479-fruits-into-baskets-iii/Medium | Array, Binary Search, Segment Tree, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3484-design-spreadsheet/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3484-design-spreadsheet/Medium | Array, Hash Table, String, Design, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3488-closest-equal-element-queries/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3488-closest-equal-element-queries/Medium | Array, Hash Table, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3489-zero-array-transformation-iv/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3489-zero-array-transformation-iv/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3493-properties-graph/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3493-properties-graph/Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3494-find-the-minimum-amount-of-time-to-brew-potions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3494-find-the-minimum-amount-of-time-to-brew-potions/Medium | Array, Simulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3499-maximize-active-section-with-trade-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3499-maximize-active-section-with-trade-i/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Medium | Two Pointers, String, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3508-implement-router/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3508-implement-router/Medium | Array, Hash Table, Binary Search, Design, Queue, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3513-number-of-unique-xor-triplets-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3513-number-of-unique-xor-triplets-i/Medium | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3514-number-of-unique-xor-triplets-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3514-number-of-unique-xor-triplets-ii/Medium | Array, Math, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3517-smallest-palindromic-rearrangement-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3517-smallest-palindromic-rearrangement-i/Medium | String, Sorting, Counting Sorthttps://leetcode-solutions-5zk.pages.dev/posts/3522-calculate-score-after-performing-instructions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3522-calculate-score-after-performing-instructions/Medium | Array, Hash Table, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3523-make-array-non-decreasing/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3523-make-array-non-decreasing/Medium | Array, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3524-find-x-value-of-array-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3524-find-x-value-of-array-i/Medium | Array, Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3527-find-the-most-common-response/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3527-find-the-most-common-response/Medium | Array, Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3528-unit-conversion-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3528-unit-conversion-i/Medium | Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3529-count-cells-in-overlapping-horizontal-and-vertical-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3529-count-cells-in-overlapping-horizontal-and-vertical-substrings/Medium | Array, String, Rolling Hash, String Matching, Matrix, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3531-count-covered-buildings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3531-count-covered-buildings/Medium | Array, Hash Table, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3532-path-existence-queries-in-a-graph-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3532-path-existence-queries-in-a-graph-i/Medium | Array, Hash Table, Binary Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3537-fill-a-special-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3537-fill-a-special-grid/Medium | Array, Divide and Conquer, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3542-minimum-operations-to-convert-all-elements-to-zero/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3542-minimum-operations-to-convert-all-elements-to-zero/Medium | Array, Hash Table, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3543-maximum-weighted-k-edge-path/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3543-maximum-weighted-k-edge-path/Medium | Hash Table, Dynamic Programming, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3546-equal-sum-grid-partition-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3546-equal-sum-grid-partition-i/Medium | Array, Matrix, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3551-minimum-swaps-to-sort-by-digit-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3551-minimum-swaps-to-sort-by-digit-sum/Medium | Array, Hash Table, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3552-grid-teleportation-traversal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3552-grid-teleportation-traversal/Medium | Array, Hash Table, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3556-sum-of-largest-prime-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3556-sum-of-largest-prime-substrings/Medium | Hash Table, Math, String, Sorting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3557-find-maximum-number-of-non-intersecting-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3557-find-maximum-number-of-non-intersecting-substrings/Medium | Hash Table, String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3558-number-of-ways-to-assign-edge-weights-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3558-number-of-ways-to-assign-edge-weights-i/Medium | Math, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3561-resulting-string-after-adjacent-removals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3561-resulting-string-after-adjacent-removals/Medium | String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3566-partition-array-into-two-equal-product-subsets/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3566-partition-array-into-two-equal-product-subsets/Medium | Array, Bit Manipulation, Recursion, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3567-minimum-absolute-difference-in-sliding-submatrix/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3567-minimum-absolute-difference-in-sliding-submatrix/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3568-minimum-moves-to-clean-the-classroom/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3568-minimum-moves-to-clean-the-classroom/Medium | Array, Hash Table, Bit Manipulation, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3583-count-special-triplets/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3583-count-special-triplets/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3584-maximum-product-of-first-and-last-elements-of-a-subsequence/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3584-maximum-product-of-first-and-last-elements-of-a-subsequence/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/3587-minimum-adjacent-swaps-to-alternate-parity/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3587-minimum-adjacent-swaps-to-alternate-parity/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3588-find-maximum-area-of-a-triangle/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3588-find-maximum-area-of-a-triangle/Medium | Array, Hash Table, Math, Greedy, Geometry, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3589-count-prime-gap-balanced-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3589-count-prime-gap-balanced-subarrays/Medium | Array, Math, Queue, Sliding Window, Number Theory, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/3592-inverse-coin-change/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3592-inverse-coin-change/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3593-minimum-increments-to-equalize-leaf-paths/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3593-minimum-increments-to-equalize-leaf-paths/Medium | Array, Dynamic Programming, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3597-partition-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3597-partition-string/Medium | Hash Table, String, Trie, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3598-longest-common-prefix-between-adjacent-strings-after-removals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3598-longest-common-prefix-between-adjacent-strings-after-removals/Medium | Array, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3599-partition-array-to-minimize-xor/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3599-partition-array-to-minimize-xor/Medium | Array, Dynamic Programming, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3603-minimum-cost-path-with-alternating-directions-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3603-minimum-cost-path-with-alternating-directions-ii/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3604-minimum-time-to-reach-destination-in-directed-graph/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3604-minimum-time-to-reach-destination-in-directed-graph/Medium | Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3607-power-grid-maintenance/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3607-power-grid-maintenance/Medium | Array, Hash Table, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3608-minimum-time-for-k-connected-components/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3608-minimum-time-for-k-connected-components/Medium | Binary Search, Union-Find, Graph Theory, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3612-process-string-with-special-operations-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3612-process-string-with-special-operations-i/Medium | String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3613-minimize-maximum-component-cost/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3613-minimize-maximum-component-cost/Medium | Binary Search, Union-Find, Graph Theory, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3618-split-array-by-prime-indices/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3618-split-array-by-prime-indices/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3619-count-islands-with-total-value-divisible-by-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3619-count-islands-with-total-value-divisible-by-k/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3623-count-number-of-trapezoids-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3623-count-number-of-trapezoids-i/Medium | Array, Hash Table, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/3627-maximum-median-sum-of-subsequences-of-size-3/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3627-maximum-median-sum-of-subsequences-of-size-3/Medium | Array, Math, Greedy, Sorting, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3628-maximum-number-of-subsequences-after-one-inserting/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3628-maximum-number-of-subsequences-after-one-inserting/Medium | String, Dynamic Programming, Greedy, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3629-minimum-jumps-to-reach-end-via-prime-teleportation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3629-minimum-jumps-to-reach-end-via-prime-teleportation/Medium | Array, Hash Table, Math, Breadth-First Search, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3634-minimum-removals-to-balance-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3634-minimum-removals-to-balance-array/Medium | Array, Binary Search, Sliding Window, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3635-earliest-finish-time-for-land-and-water-rides-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3635-earliest-finish-time-for-land-and-water-rides-ii/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3638-maximum-balanced-shipments/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3638-maximum-balanced-shipments/Medium | Array, Dynamic Programming, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3639-minimum-time-to-activate-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3639-minimum-time-to-activate-string/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3644-maximum-k-to-sort-a-permutation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3644-maximum-k-to-sort-a-permutation/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3645-maximum-total-from-optimal-activation-order/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3645-maximum-total-from-optimal-activation-order/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3648-minimum-sensors-to-cover-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3648-minimum-sensors-to-cover-grid/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3649-number-of-perfect-pairs/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3649-number-of-perfect-pairs/Medium | Array, Math, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3650-minimum-cost-path-with-edge-reversals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3650-minimum-cost-path-with-edge-reversals/Medium | Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3652-best-time-to-buy-and-sell-stock-using-strategy/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3652-best-time-to-buy-and-sell-stock-using-strategy/Medium | Array, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3653-xor-after-range-multiplication-queries-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3653-xor-after-range-multiplication-queries-i/Medium | Array, Divide and Conquer, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3654-minimum-sum-after-divisible-sum-deletions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3654-minimum-sum-after-divisible-sum-deletions/Medium | Array, Hash Table, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3659-partition-array-into-k-distinct-groups/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3659-partition-array-into-k-distinct-groups/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3660-jump-game-ix/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3660-jump-game-ix/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3664-two-letter-card-game/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3664-two-letter-card-game/Medium | Array, Hash Table, String, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3665-twisted-mirror-path-count/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3665-twisted-mirror-path-count/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3669-balanced-k-factor-decomposition/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3669-balanced-k-factor-decomposition/Medium | Math, Backtracking, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3670-maximum-product-of-two-integers-with-no-common-bits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3670-maximum-product-of-two-integers-with-no-common-bits/Medium | Array, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3675-minimum-operations-to-transform-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3675-minimum-operations-to-transform-string/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3676-count-bowl-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3676-count-bowl-subarrays/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3679-minimum-discards-to-balance-inventory/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3679-minimum-discards-to-balance-inventory/Medium | Array, Hash Table, Sliding Window, Simulation, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3680-generate-schedule/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3680-generate-schedule/Medium | Array, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3685-subsequence-sum-after-capping-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3685-subsequence-sum-after-capping-elements/Medium | Array, Two Pointers, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3689-maximum-total-subarray-value-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3689-maximum-total-subarray-value-i/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3690-split-and-merge-array-transformation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3690-split-and-merge-array-transformation/Medium | Array, Hash Table, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3693-climbing-stairs-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3693-climbing-stairs-ii/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3694-distinct-points-reachable-after-substring-removal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3694-distinct-points-reachable-after-substring-removal/Medium | Hash Table, String, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3698-split-array-with-minimum-difference/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3698-split-array-with-minimum-difference/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3702-longest-subsequence-with-non-zero-bitwise-xor/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3702-longest-subsequence-with-non-zero-bitwise-xor/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3703-remove-k-balanced-substrings/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3703-remove-k-balanced-substrings/Medium | String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3708-longest-fibonacci-subarray/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3708-longest-fibonacci-subarray/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/3709-design-exam-scores-tracker/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3709-design-exam-scores-tracker/Medium | Array, Binary Search, Design, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3713-longest-balanced-substring-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3713-longest-balanced-substring-i/Medium | Hash Table, String, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3714-longest-balanced-substring-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3714-longest-balanced-substring-ii/Medium | Hash Table, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3719-longest-balanced-subarray-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3719-longest-balanced-subarray-i/Medium | Array, Hash Table, Divide and Conquer, Segment Tree, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3720-lexicographically-smallest-permutation-greater-than-target/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3720-lexicographically-smallest-permutation-greater-than-target/Medium | Hash Table, String, Greedy, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Medium | Two Pointers, Binary Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3723-maximize-sum-of-squares-of-digits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3723-maximize-sum-of-squares-of-digits/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3724-minimum-operations-to-transform-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3724-minimum-operations-to-transform-array/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3727-maximum-alternating-sum-of-squares/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3727-maximum-alternating-sum-of-squares/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3728-stable-subarrays-with-equal-boundary-and-interior-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3728-stable-subarrays-with-equal-boundary-and-interior-sum/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3732-maximum-product-of-three-elements-after-one-replacement/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3732-maximum-product-of-three-elements-after-one-replacement/Medium | Array, Math, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3733-minimum-time-to-complete-all-deliveries/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3733-minimum-time-to-complete-all-deliveries/Medium | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3737-count-subarrays-with-majority-element-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3737-count-subarrays-with-majority-element-i/Medium | Array, Hash Table, Divide and Conquer, Segment Tree, Merge Sort, Counting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3738-longest-non-decreasing-subarray-after-replacing-at-most-one-element/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3738-longest-non-decreasing-subarray-after-replacing-at-most-one-element/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3741-minimum-distance-between-three-equal-elements-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3741-minimum-distance-between-three-equal-elements-ii/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/3742-maximum-path-score-in-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3742-maximum-path-score-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3746-minimum-string-length-after-balanced-removals/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3746-minimum-string-length-after-balanced-removals/Medium | String, Stack, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3747-count-distinct-integers-after-removing-zeros/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3747-count-distinct-integers-after-removing-zeros/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3751-total-waviness-of-numbers-in-range-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3751-total-waviness-of-numbers-in-range-i/Medium | Math, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3752-lexicographically-smallest-negated-permutation-that-sums-to-target/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3752-lexicographically-smallest-negated-permutation-that-sums-to-target/Medium | Array, Math, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3755-find-maximum-balanced-xor-subarray-length/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3755-find-maximum-balanced-xor-subarray-length/Medium | Array, Hash Table, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3756-concatenate-non-zero-digits-and-multiply-by-sum-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3756-concatenate-non-zero-digits-and-multiply-by-sum-ii/Medium | Math, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3759-count-elements-with-at-least-k-greater-values/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3759-count-elements-with-at-least-k-greater-values/Medium | Array, Binary Search, Divide and Conquer, Sorting, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/3760-maximum-substrings-with-distinct-start/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3760-maximum-substrings-with-distinct-start/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3761-minimum-absolute-distance-between-mirror-pairs/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3761-minimum-absolute-distance-between-mirror-pairs/Medium | Array, Hash Table, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3765-complete-prime-number/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3765-complete-prime-number/Medium | Math, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3766-minimum-operations-to-make-binary-palindrome/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3766-minimum-operations-to-make-binary-palindrome/Medium | Array, Two Pointers, Binary Search, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3767-maximize-points-after-choosing-k-tasks/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3767-maximize-points-after-choosing-k-tasks/Medium | Array, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3770-largest-prime-from-consecutive-prime-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3770-largest-prime-from-consecutive-prime-sum/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3771-total-score-of-dungeon-runs/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3771-total-score-of-dungeon-runs/Medium | Array, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3775-reverse-words-with-same-vowel-count/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3775-reverse-words-with-same-vowel-count/Medium | Two Pointers, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3776-minimum-moves-to-balance-circular-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3776-minimum-moves-to-balance-circular-array/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3779-minimum-number-of-operations-to-have-distinct-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3779-minimum-number-of-operations-to-have-distinct-elements/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/3780-maximum-sum-of-three-numbers-divisible-by-three/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3780-maximum-sum-of-three-numbers-divisible-by-three/Medium | Array, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3781-maximum-score-after-binary-swaps/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3781-maximum-score-after-binary-swaps/Medium | Array, String, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3784-minimum-deletion-cost-to-make-all-characters-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3784-minimum-deletion-cost-to-make-all-characters-equal/Medium | Array, Hash Table, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3788-maximum-score-of-a-split/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3788-maximum-score-of-a-split/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3789-minimum-cost-to-acquire-required-items/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3789-minimum-cost-to-acquire-required-items/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3790-smallest-all-ones-multiple/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3790-smallest-all-ones-multiple/Medium | Hash Table, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3795-minimum-subarray-length-with-distinct-sum-at-least-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3795-minimum-subarray-length-with-distinct-sum-at-least-k/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3796-find-maximum-value-in-a-constrained-sequence/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3796-find-maximum-value-in-a-constrained-sequence/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3799-word-squares-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3799-word-squares-ii/Medium | Array, String, Backtracking, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3800-minimum-cost-to-make-two-binary-strings-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3800-minimum-cost-to-make-two-binary-strings-equal/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3804-number-of-centered-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3804-number-of-centered-subarrays/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3805-count-caesar-cipher-pairs/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3805-count-caesar-cipher-pairs/Medium | Array, Hash Table, Math, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3809-best-reachable-tower/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3809-best-reachable-tower/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/3810-minimum-operations-to-reach-target-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3810-minimum-operations-to-reach-target-array/Medium | Array, Hash Table, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3811-number-of-alternating-xor-partitions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3811-number-of-alternating-xor-partitions/Medium | Array, Hash Table, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3814-maximum-capacity-within-budget/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3814-maximum-capacity-within-budget/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3815-design-auction-system/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3815-design-auction-system/Medium | Hash Table, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3818-minimum-prefix-removal-to-make-array-strictly-increasing/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3818-minimum-prefix-removal-to-make-array-strictly-increasing/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/3819-rotate-non-negative-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3819-rotate-non-negative-elements/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3820-pythagorean-distance-nodes-in-a-tree/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3820-pythagorean-distance-nodes-in-a-tree/Medium | Tree, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3824-minimum-k-to-reduce-array-within-limit/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3824-minimum-k-to-reduce-array-within-limit/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3825-longest-strictly-increasing-subsequence-with-non-zero-bitwise-and/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3825-longest-strictly-increasing-subsequence-with-non-zero-bitwise-and/Medium | Array, Binary Search, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3828-final-element-after-subarray-deletions/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3828-final-element-after-subarray-deletions/Medium | Array, Math, Brainteaser, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3829-design-ride-sharing-system/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3829-design-ride-sharing-system/Medium | Hash Table, Design, Queue, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/3834-merge-adjacent-equal-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3834-merge-adjacent-equal-elements/Medium | Array, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3835-count-subarrays-with-cost-less-than-or-equal-to-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3835-count-subarrays-with-cost-less-than-or-equal-to-k/Medium | Array, Queue, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/3839-number-of-prefix-connected-groups/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3839-number-of-prefix-connected-groups/Medium | Array, Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3840-house-robber-v/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3840-house-robber-v/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3843-first-element-with-unique-frequency/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3843-first-element-with-unique-frequency/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3844-longest-almost-palindromic-substring/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3844-longest-almost-palindromic-substring/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3847-find-the-score-difference-in-a-game/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3847-find-the-score-difference-in-a-game/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3848-check-digitorial-permutation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3848-check-digitorial-permutation/Medium | Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3849-maximum-bitwise-xor-after-rearrangement/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3849-maximum-bitwise-xor-after-rearrangement/Medium | String, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3853-merge-close-characters/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3853-merge-close-characters/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3854-minimum-operations-to-make-array-parity-alternating/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3854-minimum-operations-to-make-array-parity-alternating/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3857-minimum-cost-to-split-into-ones/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3857-minimum-cost-to-split-into-ones/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3858-minimum-bitwise-or-from-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3858-minimum-bitwise-or-from-grid/Medium | Array, Greedy, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3862-find-the-smallest-balanced-index/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3862-find-the-smallest-balanced-index/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3863-minimum-operations-to-sort-a-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3863-minimum-operations-to-sort-a-string/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3867-sum-of-gcd-of-formed-pairs/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3867-sum-of-gcd-of-formed-pairs/Medium | Array, Math, Two Pointers, Simulation, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3868-minimum-cost-to-equalize-arrays-using-swaps/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3868-minimum-cost-to-equalize-arrays-using-swaps/Medium | Array, Hash Table, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3871-count-commas-in-range-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3871-count-commas-in-range-ii/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3872-longest-arithmetic-sequence-after-changing-at-most-one-element/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3872-longest-arithmetic-sequence-after-changing-at-most-one-element/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3876-construct-uniform-parity-array-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3876-construct-uniform-parity-array-ii/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3877-minimum-removals-to-achieve-target-xor/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3877-minimum-removals-to-achieve-target-xor/Medium | Array, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3881-direction-assignments-with-exactly-k-visible-people/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3881-direction-assignments-with-exactly-k-visible-people/Medium | Math, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3882-minimum-xor-path-in-a-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3882-minimum-xor-path-in-a-grid/Medium | Array, Dynamic Programming, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3885-design-event-manager/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3885-design-event-manager/Medium | Array, Hash Table, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3889-mirror-frequency-distance/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3889-mirror-frequency-distance/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3890-integers-with-multiple-sum-of-two-cubes/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3890-integers-with-multiple-sum-of-two-cubes/Medium | Hash Table, Sorting, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3891-minimum-increase-to-maximize-special-indices/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3891-minimum-increase-to-maximize-special-indices/Medium | Array, Dynamic Programming, Greedy, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3895-count-digit-appearances/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3895-count-digit-appearances/Medium |https://leetcode-solutions-5zk.pages.dev/posts/3896-minimum-operations-to-transform-array-into-alternating-prime/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3896-minimum-operations-to-transform-array-into-alternating-prime/Medium |https://leetcode-solutions-5zk.pages.dev/posts/3899-angles-of-a-triangle/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3899-angles-of-a-triangle/Medium |https://leetcode-solutions-5zk.pages.dev/posts/3900-longest-balanced-substring-after-one-swap/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3900-longest-balanced-substring-after-one-swap/Medium |https://leetcode-solutions-5zk.pages.dev/posts/2961-double-modular-exponentiation/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2961-double-modular-exponentiation/Medium | Array, Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2962-count-subarrays-where-max-element-appears-at-least-k-times/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2962-count-subarrays-where-max-element-appears-at-least-k-times/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2966-divide-array-into-arrays-with-max-difference/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2966-divide-array-into-arrays-with-max-difference/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2967-minimum-cost-to-make-array-equalindromic/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2967-minimum-cost-to-make-array-equalindromic/Medium | Array, Math, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2971-find-polygon-with-the-largest-perimeter/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2971-find-polygon-with-the-largest-perimeter/Medium | Array, Greedy, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2975-maximum-square-area-by-removing-fences-from-a-field/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2975-maximum-square-area-by-removing-fences-from-a-field/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2976-minimum-cost-to-convert-string-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2976-minimum-cost-to-convert-string-i/Medium | Array, String, Graph Theory, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/2981-find-longest-special-substring-that-occurs-thrice-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2981-find-longest-special-substring-that-occurs-thrice-i/Medium | Hash Table, String, Binary Search, Sliding Window, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2982-find-longest-special-substring-that-occurs-thrice-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2982-find-longest-special-substring-that-occurs-thrice-ii/Medium | Hash Table, String, Binary Search, Sliding Window, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2997-minimum-number-of-operations-to-make-array-xor-equal-to-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2997-minimum-number-of-operations-to-make-array-xor-equal-to-k/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2998-minimum-number-of-operations-to-make-x-and-y-equal/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2998-minimum-number-of-operations-to-make-x-and-y-equal/Medium | Dynamic Programming, Breadth-First Search, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/3001-minimum-moves-to-capture-the-queen/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3001-minimum-moves-to-capture-the-queen/Medium | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3002-maximum-size-of-a-set-after-removals/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3002-maximum-size-of-a-set-after-removals/Medium | Array, Hash Table, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3006-find-beautiful-indices-in-the-given-array-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3006-find-beautiful-indices-in-the-given-array-i/Medium | Two Pointers, String, Binary Search, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3007-maximum-number-that-sum-of-the-prices-is-less-than-or-equal-to-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3007-maximum-number-that-sum-of-the-prices-is-less-than-or-equal-to-k/Medium | Math, Binary Search, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3011-find-if-array-can-be-sorted/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3011-find-if-array-can-be-sorted/Medium | Array, Bit Manipulation, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3012-minimize-length-of-array-using-operations/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3012-minimize-length-of-array-using-operations/Medium | Array, Math, Greedy, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3015-count-the-number-of-houses-at-a-certain-distance-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3015-count-the-number-of-houses-at-a-certain-distance-i/Medium | Breadth-First Search, Graph Theory, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3016-minimum-number-of-pushes-to-type-word-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3016-minimum-number-of-pushes-to-type-word-ii/Medium | Hash Table, String, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3020-find-the-maximum-number-of-elements-in-subset/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3020-find-the-maximum-number-of-elements-in-subset/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3021-alice-and-bob-playing-flower-game/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3021-alice-and-bob-playing-flower-game/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3025-find-the-number-of-ways-to-place-people-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3025-find-the-number-of-ways-to-place-people-i/Medium | Array, Math, Geometry, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3026-maximum-good-subarray-sum/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3026-maximum-good-subarray-sum/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3029-minimum-time-to-revert-word-to-initial-state-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3029-minimum-time-to-revert-word-to-initial-state-i/Medium | String, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3030-find-the-grid-of-region-average/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3030-find-the-grid-of-region-average/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3034-number-of-subarrays-that-match-a-pattern-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3034-number-of-subarrays-that-match-a-pattern-i/Medium | Array, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3035-maximum-palindromes-after-operations/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3035-maximum-palindromes-after-operations/Medium | Array, Hash Table, String, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3039-apply-operations-to-make-string-empty/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3039-apply-operations-to-make-string-empty/Medium | Array, Hash Table, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3040-maximum-number-of-operations-with-the-same-score-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3040-maximum-number-of-operations-with-the-same-score-ii/Medium | Array, Dynamic Programming, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/3043-find-the-length-of-the-longest-common-prefix/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3043-find-the-length-of-the-longest-common-prefix/Medium | Array, Hash Table, String, Triehttps://leetcode-solutions-5zk.pages.dev/posts/3044-most-frequent-prime/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3044-most-frequent-prime/Medium | Array, Hash Table, Math, Matrix, Counting, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3047-find-the-largest-area-of-square-inside-two-rectangles/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3047-find-the-largest-area-of-square-inside-two-rectangles/Medium | Array, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/3048-earliest-second-to-mark-indices-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3048-earliest-second-to-mark-indices-i/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3066-minimum-operations-to-exceed-threshold-value-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3066-minimum-operations-to-exceed-threshold-value-ii/Medium | Array, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3067-count-pairs-of-connectable-servers-in-a-weighted-tree-network/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3067-count-pairs-of-connectable-servers-in-a-weighted-tree-network/Medium | Array, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3070-count-submatrices-with-top-left-element-and-sum-less-than-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3070-count-submatrices-with-top-left-element-and-sum-less-than-k/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3071-minimum-operations-to-write-the-letter-y-on-a-grid/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3071-minimum-operations-to-write-the-letter-y-on-a-grid/Medium | Array, Hash Table, Matrix, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3075-maximize-happiness-of-selected-children/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3075-maximize-happiness-of-selected-children/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3076-shortest-uncommon-substring-in-an-array/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3076-shortest-uncommon-substring-in-an-array/Medium | Array, Hash Table, String, Triehttps://leetcode-solutions-5zk.pages.dev/posts/3080-mark-elements-on-array-by-performing-queries/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3080-mark-elements-on-array-by-performing-queries/Medium | Array, Hash Table, Sorting, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3081-replace-question-marks-in-string-to-minimize-its-value/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3081-replace-question-marks-in-string-to-minimize-its-value/Medium | Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3084-count-substrings-starting-and-ending-with-given-character/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3084-count-substrings-starting-and-ending-with-given-character/Medium | Math, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3085-minimum-deletions-to-make-string-k-special/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3085-minimum-deletions-to-make-string-k-special/Medium | Hash Table, String, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3091-apply-operations-to-make-sum-of-array-greater-than-or-equal-to-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3091-apply-operations-to-make-sum-of-array-greater-than-or-equal-to-k/Medium | Math, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3092-most-frequent-ids/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3092-most-frequent-ids/Medium | Array, Hash Table, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/3096-minimum-levels-to-gain-more-points/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3096-minimum-levels-to-gain-more-points/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3097-shortest-subarray-with-or-at-least-k-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3097-shortest-subarray-with-or-at-least-k-ii/Medium | Array, Bit Manipulation, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/3100-water-bottles-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3100-water-bottles-ii/Medium | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3101-count-alternating-subarrays/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3101-count-alternating-subarrays/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3106-lexicographically-smallest-string-after-operations-with-constraint/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3106-lexicographically-smallest-string-after-operations-with-constraint/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3107-minimum-operations-to-make-median-of-array-equal-to-k/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3107-minimum-operations-to-make-median-of-array-equal-to-k/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3111-minimum-rectangles-to-cover-points/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3111-minimum-rectangles-to-cover-points/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3112-minimum-time-to-visit-disappearing-nodes/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3112-minimum-time-to-visit-disappearing-nodes/Medium | Array, Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/3115-maximum-prime-difference/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3115-maximum-prime-difference/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3121-count-the-number-of-special-characters-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3121-count-the-number-of-special-characters-ii/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3122-minimum-number-of-operations-to-satisfy-conditions/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3122-minimum-number-of-operations-to-satisfy-conditions/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3128-right-triangles/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3128-right-triangles/Medium | Array, Hash Table, Math, Combinatorics, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3129-find-all-possible-stable-binary-arrays-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3129-find-all-possible-stable-binary-arrays-i/Medium | Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3132-find-the-integer-added-to-array-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3132-find-the-integer-added-to-array-ii/Medium | Array, Two Pointers, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3133-minimum-array-end/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3133-minimum-array-end/Medium | Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3137-minimum-number-of-operations-to-make-word-k-periodic/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3137-minimum-number-of-operations-to-make-word-k-periodic/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3138-minimum-length-of-anagram-concatenation/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3138-minimum-length-of-anagram-concatenation/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3143-maximum-points-inside-the-square/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3143-maximum-points-inside-the-square/Medium | Array, Hash Table, String, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3144-minimum-substring-partition-of-equal-character-frequency/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3144-minimum-substring-partition-of-equal-character-frequency/Medium | Hash Table, String, Dynamic Programming, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3147-taking-maximum-energy-from-the-mystic-dungeon/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3147-taking-maximum-energy-from-the-mystic-dungeon/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3148-maximum-difference-score-in-a-grid/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3148-maximum-difference-score-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3152-special-array-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3152-special-array-ii/Medium | Array, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3153-sum-of-digit-differences-of-all-pairs/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3153-sum-of-digit-differences-of-all-pairs/Medium | Array, Hash Table, Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3159-find-occurrences-of-an-element-in-an-array/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3159-find-occurrences-of-an-element-in-an-array/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/3160-find-the-number-of-distinct-colors-among-the-balls/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3160-find-the-number-of-distinct-colors-among-the-balls/Medium | Array, Hash Table, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3163-string-compression-iii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3163-string-compression-iii/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3164-find-the-number-of-good-pairs-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3164-find-the-number-of-good-pairs-ii/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/3169-count-days-without-meetings/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3169-count-days-without-meetings/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3170-lexicographically-minimum-string-after-removing-stars/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3170-lexicographically-minimum-string-after-removing-stars/Medium | Hash Table, String, Stack, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3175-find-the-first-player-to-win-k-games-in-a-row/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3175-find-the-first-player-to-win-k-games-in-a-row/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3176-find-the-maximum-length-of-a-good-subsequence-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3176-find-the-maximum-length-of-a-good-subsequence-i/Medium | Array, Hash Table, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3179-find-the-n-th-value-after-k-seconds/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3179-find-the-n-th-value-after-k-seconds/Medium | Array, Math, Simulation, Combinatorics, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3180-maximum-total-reward-using-operations-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3180-maximum-total-reward-using-operations-i/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3185-count-pairs-that-form-a-complete-day-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3185-count-pairs-that-form-a-complete-day-ii/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3186-maximum-total-damage-with-spell-casting/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3186-maximum-total-damage-with-spell-casting/Medium | Array, Hash Table, Two Pointers, Binary Search, Dynamic Programming, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3191-minimum-operations-to-make-binary-array-elements-equal-to-one-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3191-minimum-operations-to-make-binary-array-elements-equal-to-one-i/Medium | Array, Bit Manipulation, Queue, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3192-minimum-operations-to-make-binary-array-elements-equal-to-one-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3192-minimum-operations-to-make-binary-array-elements-equal-to-one-ii/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3195-find-the-minimum-area-to-cover-all-ones-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3195-find-the-minimum-area-to-cover-all-ones-i/Medium | Array, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3196-maximize-total-cost-of-alternating-subarrays/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3196-maximize-total-cost-of-alternating-subarrays/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2641-cousins-in-binary-tree-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2641-cousins-in-binary-tree-ii/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2645-minimum-additions-to-make-valid-string/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2645-minimum-additions-to-make-valid-string/Medium | String, Dynamic Programming, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2653-sliding-subarray-beauty/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2653-sliding-subarray-beauty/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2654-minimum-number-of-operations-to-make-all-array-elements-equal-to-1/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2654-minimum-number-of-operations-to-make-all-array-elements-equal-to-1/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2657-find-the-prefix-common-array-of-two-arrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2657-find-the-prefix-common-array-of-two-arrays/Medium | Array, Hash Table, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2658-maximum-number-of-fish-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2658-maximum-number-of-fish-in-a-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2661-first-completely-painted-row-or-column/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2661-first-completely-painted-row-or-column/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2662-minimum-cost-of-a-path-with-special-roads/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2662-minimum-cost-of-a-path-with-special-roads/Medium | Array, Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/2671-frequency-tracker/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2671-frequency-tracker/Medium | Hash Table, Designhttps://leetcode-solutions-5zk.pages.dev/posts/2672-number-of-adjacent-elements-with-the-same-color/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2672-number-of-adjacent-elements-with-the-same-color/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/2673-make-costs-of-paths-equal-in-a-binary-tree/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2673-make-costs-of-paths-equal-in-a-binary-tree/Medium | Array, Dynamic Programming, Greedy, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2679-sum-in-a-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2679-sum-in-a-matrix/Medium | Array, Sorting, Heap (Priority Queue), Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2680-maximum-or/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2680-maximum-or/Medium | Array, Greedy, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2683-neighboring-bitwise-xor/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2683-neighboring-bitwise-xor/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2684-maximum-number-of-moves-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2684-maximum-number-of-moves-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2685-count-the-number-of-complete-components/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2685-count-the-number-of-complete-components/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2698-find-the-punishment-number-of-an-integer/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2698-find-the-punishment-number-of-an-integer/Medium | Math, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/2707-extra-characters-in-a-string/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2707-extra-characters-in-a-string/Medium | Array, Hash Table, String, Dynamic Programming, Triehttps://leetcode-solutions-5zk.pages.dev/posts/2708-maximum-strength-of-a-group/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2708-maximum-strength-of-a-group/Medium | Array, Dynamic Programming, Backtracking, Greedy, Bit Manipulation, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2711-difference-of-number-of-distinct-values-on-diagonals/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2711-difference-of-number-of-distinct-values-on-diagonals/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2712-minimum-cost-to-make-all-characters-equal/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2712-minimum-cost-to-make-all-characters-equal/Medium | String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2718-sum-of-matrix-after-queries/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2718-sum-of-matrix-after-queries/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/2730-find-the-longest-semi-repetitive-substring/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2730-find-the-longest-semi-repetitive-substring/Medium | String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2731-movement-of-robots/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2731-movement-of-robots/Medium | Array, Brainteaser, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2734-lexicographically-smallest-string-after-substring-operation/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2734-lexicographically-smallest-string-after-substring-operation/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2735-collecting-chocolates/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2735-collecting-chocolates/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2740-find-the-value-of-the-partition/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2740-find-the-value-of-the-partition/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2741-special-permutations/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2741-special-permutations/Medium | Array, Dynamic Programming, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2745-construct-the-longest-new-string/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2745-construct-the-longest-new-string/Medium | Math, Dynamic Programming, Greedy, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/2746-decremental-string-concatenation/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2746-decremental-string-concatenation/Medium | Array, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2747-count-zero-request-servers/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2747-count-zero-request-servers/Medium | Array, Hash Table, Sliding Window, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2749-minimum-operations-to-make-the-integer-zero/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2749-minimum-operations-to-make-the-integer-zero/Medium | Bit Manipulation, Brainteaser, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2750-ways-to-split-array-into-good-subarrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2750-ways-to-split-array-into-good-subarrays/Medium | Array, Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2761-prime-pairs-with-target-sum/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2761-prime-pairs-with-target-sum/Medium | Array, Math, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2762-continuous-subarrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2762-continuous-subarrays/Medium | Array, Queue, Sliding Window, Heap (Priority Queue), Ordered Set, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/2807-insert-greatest-common-divisors-in-linked-list/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2807-insert-greatest-common-divisors-in-linked-list/Medium | Linked List, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2808-minimum-seconds-to-equalize-a-circular-array/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2808-minimum-seconds-to-equalize-a-circular-array/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/2811-check-if-it-is-possible-to-split-array/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2811-check-if-it-is-possible-to-split-array/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2812-find-the-safest-path-in-a-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2812-find-the-safest-path-in-a-grid/Medium | Array, Binary Search, Breadth-First Search, Union-Find, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2816-double-a-number-represented-as-a-linked-list/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2816-double-a-number-represented-as-a-linked-list/Medium | Linked List, Math, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2817-minimum-absolute-difference-between-elements-with-constraint/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2817-minimum-absolute-difference-between-elements-with-constraint/Medium | Array, Binary Search, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2825-make-string-a-subsequence-using-cyclic-increments/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2825-make-string-a-subsequence-using-cyclic-increments/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2826-sorting-three-groups/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2826-sorting-three-groups/Medium | Array, Binary Search, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2829-determine-the-minimum-sum-of-a-k-avoiding-array/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2829-determine-the-minimum-sum-of-a-k-avoiding-array/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2830-maximize-the-profit-as-the-salesman/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2830-maximize-the-profit-as-the-salesman/Medium | Array, Hash Table, Binary Search, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2831-find-the-longest-equal-subarray/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2831-find-the-longest-equal-subarray/Medium | Array, Hash Table, Binary Search, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2834-find-the-minimum-possible-sum-of-a-beautiful-array/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2834-find-the-minimum-possible-sum-of-a-beautiful-array/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2840-check-if-strings-can-be-made-equal-with-operations-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2840-check-if-strings-can-be-made-equal-with-operations-ii/Medium | Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2841-maximum-sum-of-almost-unique-subarray/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2841-maximum-sum-of-almost-unique-subarray/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2844-minimum-operations-to-make-a-special-number/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2844-minimum-operations-to-make-a-special-number/Medium | Math, String, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2845-count-of-interesting-subarrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2845-count-of-interesting-subarrays/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2849-determine-if-a-cell-is-reachable-at-a-given-time/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2849-determine-if-a-cell-is-reachable-at-a-given-time/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2850-minimum-moves-to-spread-stones-over-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2850-minimum-moves-to-spread-stones-over-grid/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Matrix, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2856-minimum-array-length-after-pair-removals/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2856-minimum-array-length-after-pair-removals/Medium | Array, Hash Table, Two Pointers, Binary Search, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2857-count-pairs-of-points-with-distance-k/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2857-count-pairs-of-points-with-distance-k/Medium | Array, Hash Table, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2860-happy-students/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2860-happy-students/Medium | Array, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2861-maximum-number-of-alloys/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2861-maximum-number-of-alloys/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2865-beautiful-towers-i/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2865-beautiful-towers-i/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2866-beautiful-towers-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2866-beautiful-towers-ii/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2870-minimum-number-of-operations-to-make-array-empty/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2870-minimum-number-of-operations-to-make-array-empty/Medium | Array, Hash Table, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2871-split-array-into-maximum-number-of-subarrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2871-split-array-into-maximum-number-of-subarrays/Medium | Array, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2874-maximum-value-of-an-ordered-triplet-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2874-maximum-value-of-an-ordered-triplet-ii/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/2875-minimum-size-subarray-in-infinite-array/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2875-minimum-size-subarray-in-infinite-array/Medium | Array, Hash Table, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2895-minimum-processing-time/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2895-minimum-processing-time/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2896-apply-operations-to-make-two-strings-equal/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2896-apply-operations-to-make-two-strings-equal/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2901-longest-unequal-adjacent-groups-subsequence-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2901-longest-unequal-adjacent-groups-subsequence-ii/Medium | Array, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2904-shortest-and-lexicographically-smallest-beautiful-string/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2904-shortest-and-lexicographically-smallest-beautiful-string/Medium | String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2905-find-indices-with-index-and-value-difference-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2905-find-indices-with-index-and-value-difference-ii/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2906-construct-product-matrix/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2906-construct-product-matrix/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2909-minimum-sum-of-mountain-triplets-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2909-minimum-sum-of-mountain-triplets-ii/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/2910-minimum-number-of-groups-to-create-a-valid-assignment/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2910-minimum-number-of-groups-to-create-a-valid-assignment/Medium | Array, Hash Table, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2914-minimum-number-of-changes-to-make-binary-string-beautiful/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2914-minimum-number-of-changes-to-make-binary-string-beautiful/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2915-length-of-the-longest-subsequence-that-sums-to-target/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2915-length-of-the-longest-subsequence-that-sums-to-target/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2918-minimum-equal-sum-of-two-arrays-after-replacing-zeros/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2918-minimum-equal-sum-of-two-arrays-after-replacing-zeros/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2919-minimum-increment-operations-to-make-array-beautiful/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2919-minimum-increment-operations-to-make-array-beautiful/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2924-find-champion-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2924-find-champion-ii/Medium | Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2925-maximum-score-after-applying-operations-on-a-tree/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2925-maximum-score-after-applying-operations-on-a-tree/Medium | Dynamic Programming, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2929-distribute-candies-among-children-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2929-distribute-candies-among-children-ii/Medium | Math, Combinatorics, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2930-number-of-strings-which-can-be-rearranged-to-contain-substring/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2930-number-of-strings-which-can-be-rearranged-to-contain-substring/Medium | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2933-high-access-employees/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2933-high-access-employees/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2934-minimum-operations-to-maximize-last-elements-in-arrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2934-minimum-operations-to-maximize-last-elements-in-arrays/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2938-separate-black-and-white-balls/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2938-separate-black-and-white-balls/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2939-maximum-xor-product/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2939-maximum-xor-product/Medium | Math, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2943-maximize-area-of-square-hole-in-grid/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2943-maximize-area-of-square-hole-in-grid/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2944-minimum-number-of-coins-for-fruits/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2944-minimum-number-of-coins-for-fruits/Medium | Array, Dynamic Programming, Queue, Heap (Priority Queue), Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/2947-count-beautiful-substrings-i/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2947-count-beautiful-substrings-i/Medium | Hash Table, Math, String, Enumeration, Number Theory, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2948-make-lexicographically-smallest-array-by-swapping-elements/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2948-make-lexicographically-smallest-array-by-swapping-elements/Medium | Array, Union-Find, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2952-minimum-number-of-coins-to-be-added/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2952-minimum-number-of-coins-to-be-added/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2957-remove-adjacent-almost-equal-characters/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2957-remove-adjacent-almost-equal-characters/Medium | String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2958-length-of-longest-subarray-with-at-most-k-frequency/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2958-length-of-longest-subarray-with-at-most-k-frequency/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2001-number-of-pairs-of-interchangeable-rectangles/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2001-number-of-pairs-of-interchangeable-rectangles/Medium | Array, Hash Table, Math, Counting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2002-maximum-product-of-the-length-of-two-palindromic-subsequences/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2002-maximum-product-of-the-length-of-two-palindromic-subsequences/Medium | String, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2007-find-original-array-from-doubled-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2007-find-original-array-from-doubled-array/Medium | Array, Hash Table, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2008-maximum-earnings-from-taxi/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2008-maximum-earnings-from-taxi/Medium | Array, Hash Table, Binary Search, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2012-sum-of-beauty-in-the-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2012-sum-of-beauty-in-the-array/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/2013-detect-squares/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2013-detect-squares/Medium | Array, Hash Table, Design, Counting, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/2017-grid-game/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2017-grid-game/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2024-maximize-the-confusion-of-an-exam/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2024-maximize-the-confusion-of-an-exam/Medium | String, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2028-find-missing-observations/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2028-find-missing-observations/Medium | Array, Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2029-stone-game-ix/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2029-stone-game-ix/Medium | Array, Math, Greedy, Counting, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2033-minimum-operations-to-make-a-uni-value-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2033-minimum-operations-to-make-a-uni-value-grid/Medium | Array, Math, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2034-stock-price-fluctuation/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2034-stock-price-fluctuation/Medium | Hash Table, Design, Heap (Priority Queue), Data Stream, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2038-remove-colored-pieces-if-both-neighbors-are-the-same-color/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2038-remove-colored-pieces-if-both-neighbors-are-the-same-color/Medium | Math, String, Greedy, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2043-simple-bank-system/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2043-simple-bank-system/Medium | Array, Hash Table, Design, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2044-count-number-of-maximum-bitwise-or-subsets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2044-count-number-of-maximum-bitwise-or-subsets/Medium | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2048-next-greater-numerically-balanced-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2048-next-greater-numerically-balanced-number/Medium | Hash Table, Math, Backtracking, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2049-count-nodes-with-the-highest-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2049-count-nodes-with-the-highest-score/Medium | Array, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2054-two-best-non-overlapping-events/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2054-two-best-non-overlapping-events/Medium | Array, Binary Search, Dynamic Programming, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2055-plates-between-candles/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2055-plates-between-candles/Medium | Array, String, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2063-vowels-of-all-substrings/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2063-vowels-of-all-substrings/Medium | Math, String, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2064-minimized-maximum-of-products-distributed-to-any-store/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2064-minimized-maximum-of-products-distributed-to-any-store/Medium | Array, Binary Search, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2069-walking-robot-simulation-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2069-walking-robot-simulation-ii/Medium | Design, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2070-most-beautiful-item-for-each-query/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2070-most-beautiful-item-for-each-query/Medium | Array, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2074-reverse-nodes-in-even-length-groups/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2074-reverse-nodes-in-even-length-groups/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/2075-decode-the-slanted-ciphertext/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2075-decode-the-slanted-ciphertext/Medium | String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2079-watering-plants/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2079-watering-plants/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2080-range-frequency-queries/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2080-range-frequency-queries/Medium | Array, Hash Table, Binary Search, Design, Segment Treehttps://leetcode-solutions-5zk.pages.dev/posts/2086-minimum-number-of-food-buckets-to-feed-the-hamsters/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2086-minimum-number-of-food-buckets-to-feed-the-hamsters/Medium | String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2087-minimum-cost-homecoming-of-a-robot-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2087-minimum-cost-homecoming-of-a-robot-in-a-grid/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2090-k-radius-subarray-averages/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2090-k-radius-subarray-averages/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2091-removing-minimum-and-maximum-from-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2091-removing-minimum-and-maximum-from-array/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2095-delete-the-middle-node-of-a-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2095-delete-the-middle-node-of-a-linked-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2096-step-by-step-directions-from-a-binary-tree-node-to-another/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2096-step-by-step-directions-from-a-binary-tree-node-to-another/Medium | String, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2100-find-good-days-to-rob-the-bank/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2100-find-good-days-to-rob-the-bank/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2101-detonate-the-maximum-bombs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2101-detonate-the-maximum-bombs/Medium | Array, Math, Depth-First Search, Breadth-First Search, Graph Theory, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/2104-sum-of-subarray-ranges/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2104-sum-of-subarray-ranges/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2105-watering-plants-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2105-watering-plants-ii/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2109-adding-spaces-to-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2109-adding-spaces-to-a-string/Medium | Array, Two Pointers, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2110-number-of-smooth-descent-periods-of-a-stock/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2110-number-of-smooth-descent-periods-of-a-stock/Medium | Array, Math, Two Pointers, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2115-find-all-possible-recipes-from-given-supplies/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2115-find-all-possible-recipes-from-given-supplies/Medium | Array, Hash Table, String, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2116-check-if-a-parentheses-string-can-be-valid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2116-check-if-a-parentheses-string-can-be-valid/Medium | String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2121-intervals-between-identical-elements/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2121-intervals-between-identical-elements/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2126-destroying-asteroids/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2126-destroying-asteroids/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2130-maximum-twin-sum-of-a-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2130-maximum-twin-sum-of-a-linked-list/Medium | Linked List, Two Pointers, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2131-longest-palindrome-by-concatenating-two-letter-words/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2131-longest-palindrome-by-concatenating-two-letter-words/Medium | Array, Hash Table, String, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2134-minimum-swaps-to-group-all-1s-together-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2134-minimum-swaps-to-group-all-1s-together-ii/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2135-count-words-obtained-after-adding-a-letter/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2135-count-words-obtained-after-adding-a-letter/Medium | Array, Hash Table, String, Bit Manipulation, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2139-minimum-moves-to-reach-target-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2139-minimum-moves-to-reach-target-score/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2140-solving-questions-with-brainpower/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2140-solving-questions-with-brainpower/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2145-count-the-hidden-sequences/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2145-count-the-hidden-sequences/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2149-rearrange-array-elements-by-sign/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2149-rearrange-array-elements-by-sign/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2150-find-all-lonely-numbers-in-the-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2150-find-all-lonely-numbers-in-the-array/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2155-all-divisions-with-the-highest-score-of-a-binary-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2155-all-divisions-with-the-highest-score-of-a-binary-array/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/2161-partition-array-according-to-given-pivot/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2161-partition-array-according-to-given-pivot/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2162-minimum-cost-to-set-cooking-time/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2162-minimum-cost-to-set-cooking-time/Medium | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2165-smallest-value-of-the-rearranged-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2165-smallest-value-of-the-rearranged-number/Medium | Math, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2166-design-bitset/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2166-design-bitset/Medium | Array, Hash Table, String, Designhttps://leetcode-solutions-5zk.pages.dev/posts/2170-minimum-operations-to-make-the-array-alternating/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2170-minimum-operations-to-make-the-array-alternating/Medium | Array, Hash Table, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2171-removing-minimum-number-of-magic-beans/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2171-removing-minimum-number-of-magic-beans/Medium | Array, Greedy, Sorting, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2177-find-three-consecutive-integers-that-sum-to-a-given-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2177-find-three-consecutive-integers-that-sum-to-a-given-number/Medium | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2178-maximum-split-of-positive-even-integers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2178-maximum-split-of-positive-even-integers/Medium | Math, Backtracking, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2181-merge-nodes-in-between-zeros/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2181-merge-nodes-in-between-zeros/Medium | Linked List, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2182-construct-string-with-repeat-limit/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2182-construct-string-with-repeat-limit/Medium | Hash Table, String, Greedy, Heap (Priority Queue), Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2186-minimum-number-of-steps-to-make-two-strings-anagram-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2186-minimum-number-of-steps-to-make-two-strings-anagram-ii/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2187-minimum-time-to-complete-trips/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2187-minimum-time-to-complete-trips/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2191-sort-the-jumbled-numbers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2191-sort-the-jumbled-numbers/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/2195-append-k-integers-with-minimal-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2195-append-k-integers-with-minimal-sum/Medium | Array, Math, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2196-create-binary-tree-from-descriptions/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2196-create-binary-tree-from-descriptions/Medium | Array, Hash Table, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2201-count-artifacts-that-can-be-extracted/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2201-count-artifacts-that-can-be-extracted/Medium | Array, Hash Table, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2202-maximize-the-topmost-element-after-k-moves/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2202-maximize-the-topmost-element-after-k-moves/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2207-maximize-number-of-subsequences-in-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2207-maximize-number-of-subsequences-in-a-string/Medium | String, Greedy, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2208-minimum-operations-to-halve-array-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2208-minimum-operations-to-halve-array-sum/Medium | Array, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2211-count-collisions-on-a-road/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2211-count-collisions-on-a-road/Medium | String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2212-maximum-points-in-an-archery-competition/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2212-maximum-points-in-an-archery-competition/Medium | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2216-minimum-deletions-to-make-array-beautiful/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2216-minimum-deletions-to-make-array-beautiful/Medium | Array, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2217-find-palindrome-with-fixed-length/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2217-find-palindrome-with-fixed-length/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2221-find-triangular-sum-of-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2221-find-triangular-sum-of-an-array/Medium | Array, Math, Simulation, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2222-number-of-ways-to-select-buildings/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2222-number-of-ways-to-select-buildings/Medium | String, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2225-find-players-with-zero-or-one-losses/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2225-find-players-with-zero-or-one-losses/Medium | Array, Hash Table, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2226-maximum-candies-allocated-to-k-children/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2226-maximum-candies-allocated-to-k-children/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2232-minimize-result-by-adding-parentheses-to-expression/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2232-minimize-result-by-adding-parentheses-to-expression/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2240-number-of-ways-to-buy-pens-and-pencils/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2240-number-of-ways-to-buy-pens-and-pencils/Medium | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2241-design-an-atm-machine/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2241-design-an-atm-machine/Medium | Array, Greedy, Designhttps://leetcode-solutions-5zk.pages.dev/posts/2244-minimum-rounds-to-complete-all-tasks/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2244-minimum-rounds-to-complete-all-tasks/Medium | Array, Hash Table, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2245-maximum-trailing-zeros-in-a-cornered-path/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2245-maximum-trailing-zeros-in-a-cornered-path/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2249-count-lattice-points-inside-a-circle/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2249-count-lattice-points-inside-a-circle/Medium | Array, Hash Table, Math, Geometry, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2250-count-number-of-rectangles-containing-each-point/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2250-count-number-of-rectangles-containing-each-point/Medium | Array, Hash Table, Binary Search, Binary Indexed Tree, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2256-minimum-average-difference/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2256-minimum-average-difference/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2260-minimum-consecutive-cards-to-pick-up/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2260-minimum-consecutive-cards-to-pick-up/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2265-count-nodes-equal-to-average-of-subtree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2265-count-nodes-equal-to-average-of-subtree/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2266-count-number-of-texts/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2266-count-number-of-texts/Medium | Hash Table, Math, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2270-number-of-ways-to-split-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2270-number-of-ways-to-split-array/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2271-maximum-white-tiles-covered-by-a-carpet/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2271-maximum-white-tiles-covered-by-a-carpet/Medium | Array, Binary Search, Greedy, Sliding Window, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2274-maximum-consecutive-floors-without-special-floors/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2274-maximum-consecutive-floors-without-special-floors/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2275-largest-combination-with-bitwise-and-greater-than-zero/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2275-largest-combination-with-bitwise-and-greater-than-zero/Medium | Array, Hash Table, Bit Manipulation, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2279-maximum-bags-with-full-capacity-of-rocks/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2279-maximum-bags-with-full-capacity-of-rocks/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2280-minimum-lines-to-represent-a-line-chart/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2280-minimum-lines-to-represent-a-line-chart/Medium | Array, Math, Geometry, Sorting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2285-maximum-total-importance-of-roads/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2285-maximum-total-importance-of-roads/Medium | Greedy, Graph Theory, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2288-apply-discount-to-prices/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2288-apply-discount-to-prices/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2289-steps-to-make-array-non-decreasing/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2289-steps-to-make-array-non-decreasing/Medium | Array, Linked List, Dynamic Programming, Stack, Monotonic Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2294-partition-array-such-that-maximum-difference-is-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2294-partition-array-such-that-maximum-difference-is-k/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2295-replace-elements-in-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2295-replace-elements-in-an-array/Medium | Array, Hash Table, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2300-successful-pairs-of-spells-and-potions/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2300-successful-pairs-of-spells-and-potions/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2304-minimum-path-cost-in-a-grid/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2304-minimum-path-cost-in-a-grid/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2305-fair-distribution-of-cookies/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2305-fair-distribution-of-cookies/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2310-sum-of-numbers-with-units-digit-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2310-sum-of-numbers-with-units-digit-k/Medium | Math, Dynamic Programming, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2311-longest-binary-subsequence-less-than-or-equal-to-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2311-longest-binary-subsequence-less-than-or-equal-to-k/Medium | String, Dynamic Programming, Greedy, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/2316-count-unreachable-pairs-of-nodes-in-an-undirected-graph/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2316-count-unreachable-pairs-of-nodes-in-an-undirected-graph/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2317-maximum-xor-after-operations/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2317-maximum-xor-after-operations/Medium | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2320-count-number-of-ways-to-place-houses/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2320-count-number-of-ways-to-place-houses/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2326-spiral-matrix-iv/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2326-spiral-matrix-iv/Medium | Array, Linked List, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2327-number-of-people-aware-of-a-secret/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2327-number-of-people-aware-of-a-secret/Medium | Dynamic Programming, Queue, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2332-the-latest-time-to-catch-a-bus/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2332-the-latest-time-to-catch-a-bus/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2336-smallest-number-in-infinite-set/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2336-smallest-number-in-infinite-set/Medium | Hash Table, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2337-move-pieces-to-obtain-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2337-move-pieces-to-obtain-a-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2342-max-sum-of-a-pair-with-equal-sum-of-digits/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2342-max-sum-of-a-pair-with-equal-sum-of-digits/Medium | Array, Hash Table, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2343-query-kth-smallest-trimmed-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2343-query-kth-smallest-trimmed-number/Medium | Array, String, Divide and Conquer, Sorting, Heap (Priority Queue), Radix Sort, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/2348-number-of-zero-filled-subarrays/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2348-number-of-zero-filled-subarrays/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2349-design-a-number-container-system/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2349-design-a-number-container-system/Medium | Hash Table, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2352-equal-row-and-column-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2352-equal-row-and-column-pairs/Medium | Array, Hash Table, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2353-design-a-food-rating-system/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2353-design-a-food-rating-system/Medium | Array, Hash Table, String, Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2358-maximum-number-of-groups-entering-a-competition/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2358-maximum-number-of-groups-entering-a-competition/Medium | Array, Math, Binary Search, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2364-count-number-of-bad-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2364-count-number-of-bad-pairs/Medium | Array, Hash Table, Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2365-task-scheduler-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2365-task-scheduler-ii/Medium | Array, Hash Table, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2368-reachable-nodes-with-restrictions/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2368-reachable-nodes-with-restrictions/Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2369-check-if-there-is-a-valid-partition-for-the-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2369-check-if-there-is-a-valid-partition-for-the-array/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2370-longest-ideal-subsequence/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2370-longest-ideal-subsequence/Medium | Hash Table, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2374-node-with-highest-edge-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2374-node-with-highest-edge-score/Medium | Hash Table, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2375-construct-smallest-number-from-di-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2375-construct-smallest-number-from-di-string/Medium | String, Backtracking, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2380-time-needed-to-rearrange-a-binary-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2380-time-needed-to-rearrange-a-binary-string/Medium | String, Dynamic Programming, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2381-shifting-letters-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2381-shifting-letters-ii/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2384-largest-palindromic-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2384-largest-palindromic-number/Medium | Hash Table, String, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2385-amount-of-time-for-binary-tree-to-be-infected/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2385-amount-of-time-for-binary-tree-to-be-infected/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2390-removing-stars-from-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2390-removing-stars-from-a-string/Medium | String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2396-strictly-palindromic-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2396-strictly-palindromic-number/Medium | Math, Two Pointers, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/2401-longest-nice-subarray/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2401-longest-nice-subarray/Medium | Array, Bit Manipulation, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2405-optimal-partition-of-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2405-optimal-partition-of-string/Medium | Hash Table, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2406-divide-intervals-into-minimum-number-of-groups/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2406-divide-intervals-into-minimum-number-of-groups/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2410-maximum-matching-of-players-with-trainers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2410-maximum-matching-of-players-with-trainers/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2411-smallest-subarrays-with-maximum-bitwise-or/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2411-smallest-subarrays-with-maximum-bitwise-or/Medium | Array, Binary Search, Bit Manipulation, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2414-length-of-the-longest-alphabetical-continuous-substring/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2414-length-of-the-longest-alphabetical-continuous-substring/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2415-reverse-odd-levels-of-binary-tree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2415-reverse-odd-levels-of-binary-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2419-longest-subarray-with-maximum-bitwise-and/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2419-longest-subarray-with-maximum-bitwise-and/Medium | Array, Bit Manipulation, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/2420-find-all-good-indices/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2420-find-all-good-indices/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2424-longest-uploaded-prefix/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2424-longest-uploaded-prefix/Medium | Hash Table, Binary Search, Union-Find, Design, Binary Indexed Tree, Segment Tree, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/2425-bitwise-xor-of-all-pairings/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2425-bitwise-xor-of-all-pairings/Medium | Array, Bit Manipulation, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/2428-maximum-sum-of-an-hourglass/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2428-maximum-sum-of-an-hourglass/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2429-minimize-xor/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2429-minimize-xor/Medium | Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2433-find-the-original-array-of-prefix-xor/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2433-find-the-original-array-of-prefix-xor/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2434-using-a-robot-to-print-the-lexicographically-smallest-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2434-using-a-robot-to-print-the-lexicographically-smallest-string/Medium | Hash Table, String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2438-range-product-queries-of-powers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2438-range-product-queries-of-powers/Medium | Array, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2439-minimize-maximum-of-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2439-minimize-maximum-of-array/Medium | Array, Binary Search, Dynamic Programming, Greedy, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2442-count-number-of-distinct-integers-after-reverse-operations/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2442-count-number-of-distinct-integers-after-reverse-operations/Medium | Array, Hash Table, Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2443-sum-of-number-and-its-reverse/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2443-sum-of-number-and-its-reverse/Medium | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2447-number-of-subarrays-with-gcd-equal-to-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2447-number-of-subarrays-with-gcd-equal-to-k/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2452-words-within-two-edits-of-dictionary/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2452-words-within-two-edits-of-dictionary/Medium | Array, String, Triehttps://leetcode-solutions-5zk.pages.dev/posts/2453-destroy-sequential-targets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2453-destroy-sequential-targets/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2456-most-popular-video-creator/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2456-most-popular-video-creator/Medium | Array, Hash Table, String, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2457-minimum-addition-to-make-integer-beautiful/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2457-minimum-addition-to-make-integer-beautiful/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2461-maximum-sum-of-distinct-subarrays-with-length-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2461-maximum-sum-of-distinct-subarrays-with-length-k/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2462-total-cost-to-hire-k-workers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2462-total-cost-to-hire-k-workers/Medium | Array, Two Pointers, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2466-count-ways-to-build-good-strings/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2466-count-ways-to-build-good-strings/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2467-most-profitable-path-in-a-tree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2467-most-profitable-path-in-a-tree/Medium | Array, Tree, Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2470-number-of-subarrays-with-lcm-equal-to-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2470-number-of-subarrays-with-lcm-equal-to-k/Medium | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2471-minimum-number-of-operations-to-sort-a-binary-tree-by-level/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2471-minimum-number-of-operations-to-sort-a-binary-tree-by-level/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2476-closest-nodes-queries-in-a-binary-search-tree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2476-closest-nodes-queries-in-a-binary-search-tree/Medium | Array, Binary Search, Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2477-minimum-fuel-cost-to-report-to-the-capital/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2477-minimum-fuel-cost-to-report-to-the-capital/Medium | Tree, Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2482-difference-between-ones-and-zeros-in-row-and-column/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2482-difference-between-ones-and-zeros-in-row-and-column/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2483-minimum-penalty-for-a-shop/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2483-minimum-penalty-for-a-shop/Medium | String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2486-append-characters-to-string-to-make-subsequence/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2486-append-characters-to-string-to-make-subsequence/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2487-remove-nodes-from-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2487-remove-nodes-from-linked-list/Medium | Linked List, Stack, Recursion, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2491-divide-players-into-teams-of-equal-skill/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2491-divide-players-into-teams-of-equal-skill/Medium | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2492-minimum-score-of-a-path-between-two-cities/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2492-minimum-score-of-a-path-between-two-cities/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2497-maximum-star-sum-of-a-graph/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2497-maximum-star-sum-of-a-graph/Medium | Array, Greedy, Graph Theory, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2498-frog-jump-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2498-frog-jump-ii/Medium | Array, Binary Search, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2501-longest-square-streak-in-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2501-longest-square-streak-in-an-array/Medium | Array, Hash Table, Binary Search, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2502-design-memory-allocator/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2502-design-memory-allocator/Medium | Array, Hash Table, Design, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2507-smallest-value-after-replacing-with-sum-of-prime-factors/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2507-smallest-value-after-replacing-with-sum-of-prime-factors/Medium | Math, Simulation, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2512-reward-top-k-students/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2512-reward-top-k-students/Medium | Array, Hash Table, String, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2513-minimize-the-maximum-of-two-arrays/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2513-minimize-the-maximum-of-two-arrays/Medium | Math, Binary Search, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2516-take-k-of-each-character-from-left-and-right/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2516-take-k-of-each-character-from-left-and-right/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2517-maximum-tastiness-of-candy-basket/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2517-maximum-tastiness-of-candy-basket/Medium | Array, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2521-distinct-prime-factors-of-product-of-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2521-distinct-prime-factors-of-product-of-array/Medium | Array, Hash Table, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2522-partition-string-into-substrings-with-values-at-most-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2522-partition-string-into-substrings-with-values-at-most-k/Medium | String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2523-closest-prime-numbers-in-range/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2523-closest-prime-numbers-in-range/Medium | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2526-find-consecutive-integers-from-a-data-stream/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2526-find-consecutive-integers-from-a-data-stream/Medium | Hash Table, Design, Queue, Counting, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/2527-find-xor-beauty-of-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2527-find-xor-beauty-of-array/Medium | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2530-maximal-score-after-applying-k-operations/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2530-maximal-score-after-applying-k-operations/Medium | Array, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2531-make-number-of-distinct-characters-equal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2531-make-number-of-distinct-characters-equal/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2536-increment-submatrices-by-one/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2536-increment-submatrices-by-one/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2537-count-the-number-of-good-subarrays/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2537-count-the-number-of-good-subarrays/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2541-minimum-operations-to-make-array-equal-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2541-minimum-operations-to-make-array-equal-ii/Medium | Array, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2542-maximum-subsequence-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2542-maximum-subsequence-score/Medium | Array, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2545-sort-the-students-by-their-kth-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2545-sort-the-students-by-their-kth-score/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2546-apply-bitwise-operations-to-make-strings-equal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2546-apply-bitwise-operations-to-make-strings-equal/Medium | String, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2550-count-collisions-of-monkeys-on-a-polygon/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2550-count-collisions-of-monkeys-on-a-polygon/Medium | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/2554-maximum-number-of-integers-to-choose-from-a-range-i/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2554-maximum-number-of-integers-to-choose-from-a-range-i/Medium | Array, Hash Table, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2555-maximize-win-from-two-segments/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2555-maximize-win-from-two-segments/Medium | Array, Binary Search, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2556-disconnect-path-in-a-binary-matrix-by-at-most-one-flip/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2556-disconnect-path-in-a-binary-matrix-by-at-most-one-flip/Medium | Array, Dynamic Programming, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2559-count-vowel-strings-in-ranges/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2559-count-vowel-strings-in-ranges/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2560-house-robber-iv/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2560-house-robber-iv/Medium | Array, Binary Search, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2563-count-the-number-of-fair-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2563-count-the-number-of-fair-pairs/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2564-substring-xor-queries/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2564-substring-xor-queries/Medium | Array, Hash Table, String, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2567-minimum-score-by-changing-two-elements/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2567-minimum-score-by-changing-two-elements/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2568-minimum-impossible-or/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2568-minimum-impossible-or/Medium | Array, Bit Manipulation, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/2571-minimum-operations-to-reduce-an-integer-to-0/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2571-minimum-operations-to-reduce-an-integer-to-0/Medium | Dynamic Programming, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/2572-count-the-number-of-square-free-subsets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2572-count-the-number-of-square-free-subsets/Medium | Array, Math, Dynamic Programming, Bit Manipulation, Number Theory, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2575-find-the-divisibility-array-of-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2575-find-the-divisibility-array-of-a-string/Medium | Array, Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2576-find-the-maximum-number-of-marked-indices/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2576-find-the-maximum-number-of-marked-indices/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2579-count-total-number-of-colored-cells/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2579-count-total-number-of-colored-cells/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2580-count-ways-to-group-overlapping-ranges/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2580-count-ways-to-group-overlapping-ranges/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2583-kth-largest-sum-in-a-binary-tree/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2583-kth-largest-sum-in-a-binary-tree/Medium | Tree, Breadth-First Search, Sorting, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/2587-rearrange-array-to-maximize-prefix-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2587-rearrange-array-to-maximize-prefix-score/Medium | Array, Greedy, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2588-count-the-number-of-beautiful-subarrays/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2588-count-the-number-of-beautiful-subarrays/Medium | Array, Hash Table, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2592-maximize-greatness-of-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2592-maximize-greatness-of-an-array/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2593-find-score-of-an-array-after-marking-all-elements/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2593-find-score-of-an-array-after-marking-all-elements/Medium | Array, Hash Table, Sorting, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2594-minimum-time-to-repair-cars/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2594-minimum-time-to-repair-cars/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2596-check-knight-tour-configuration/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2596-check-knight-tour-configuration/Medium | Array, Depth-First Search, Breadth-First Search, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2597-the-number-of-beautiful-subsets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2597-the-number-of-beautiful-subsets/Medium | Array, Hash Table, Math, Dynamic Programming, Backtracking, Sorting, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2598-smallest-missing-non-negative-integer-after-operations/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2598-smallest-missing-non-negative-integer-after-operations/Medium | Array, Hash Table, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2601-prime-subtraction-operation/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2601-prime-subtraction-operation/Medium | Array, Math, Binary Search, Greedy, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2602-minimum-operations-to-make-all-array-elements-equal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2602-minimum-operations-to-make-all-array-elements-equal/Medium | Array, Binary Search, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2606-find-the-substring-with-maximum-cost/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2606-find-the-substring-with-maximum-cost/Medium | Array, Hash Table, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2607-make-k-subarray-sums-equal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2607-make-k-subarray-sums-equal/Medium | Array, Math, Greedy, Sorting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2610-convert-an-array-into-a-2d-array-with-conditions/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2610-convert-an-array-into-a-2d-array-with-conditions/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/2611-mice-and-cheese/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2611-mice-and-cheese/Medium | Array, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/2615-sum-of-distances/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2615-sum-of-distances/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2616-minimize-the-maximum-difference-of-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2616-minimize-the-maximum-difference-of-pairs/Medium | Array, Binary Search, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2640-find-the-score-of-all-prefixes-of-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2640-find-the-score-of-all-prefixes-of-an-array/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1282-group-the-people-given-the-group-size-they-belong-to/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1282-group-the-people-given-the-group-size-they-belong-to/Medium | Array, Hash Table, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1283-find-the-smallest-divisor-given-a-threshold/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1283-find-the-smallest-divisor-given-a-threshold/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1286-iterator-for-combination/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1286-iterator-for-combination/Medium | String, Backtracking, Design, Iteratorhttps://leetcode-solutions-5zk.pages.dev/posts/1291-sequential-digits/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1291-sequential-digits/Medium | Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1292-maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1292-maximum-side-length-of-a-square-with-sum-less-than-or-equal-to-threshold/Medium | Array, Binary Search, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1296-divide-array-in-sets-of-k-consecutive-numbers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1296-divide-array-in-sets-of-k-consecutive-numbers/Medium | Array, Hash Table, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1297-maximum-number-of-occurrences-of-a-substring/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1297-maximum-number-of-occurrences-of-a-substring/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1302-deepest-leaves-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1302-deepest-leaves-sum/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1305-all-elements-in-two-binary-search-trees/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1305-all-elements-in-two-binary-search-trees/Medium | Tree, Depth-First Search, Binary Search Tree, Sorting, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1306-jump-game-iii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1306-jump-game-iii/Medium | Array, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1310-xor-queries-of-a-subarray/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1310-xor-queries-of-a-subarray/Medium | Array, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1311-get-watched-videos-by-your-friends/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1311-get-watched-videos-by-your-friends/Medium | Array, Hash Table, Breadth-First Search, Graph Theory, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1314-matrix-block-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1314-matrix-block-sum/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1315-sum-of-nodes-with-even-valued-grandparent/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1315-sum-of-nodes-with-even-valued-grandparent/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1318-minimum-flips-to-make-a-or-b-equal-to-c/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1318-minimum-flips-to-make-a-or-b-equal-to-c/Medium | Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1319-number-of-operations-to-make-network-connected/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1319-number-of-operations-to-make-network-connected/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1324-print-words-vertically/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1324-print-words-vertically/Medium | Array, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1325-delete-leaves-with-a-given-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1325-delete-leaves-with-a-given-value/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1328-break-a-palindrome/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1328-break-a-palindrome/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1329-sort-the-matrix-diagonally/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1329-sort-the-matrix-diagonally/Medium | Array, Sorting, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1334-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1334-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance/Medium | Dynamic Programming, Graph Theory, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/1338-reduce-array-size-to-the-half/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1338-reduce-array-size-to-the-half/Medium | Array, Hash Table, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1339-maximum-product-of-splitted-binary-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1339-maximum-product-of-splitted-binary-tree/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1343-number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1344-angle-between-hands-of-a-clock/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1344-angle-between-hands-of-a-clock/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1347-minimum-number-of-steps-to-make-two-strings-anagram/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1347-minimum-number-of-steps-to-make-two-strings-anagram/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1348-tweet-counts-per-frequency/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1348-tweet-counts-per-frequency/Medium | Hash Table, String, Binary Search, Design, Sorting, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/1352-product-of-the-last-k-numbers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1352-product-of-the-last-k-numbers/Medium | Array, Math, Design, Data Stream, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1353-maximum-number-of-events-that-can-be-attended/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1353-maximum-number-of-events-that-can-be-attended/Medium | Array, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1357-apply-discount-every-n-orders/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1357-apply-discount-every-n-orders/Medium | Array, Hash Table, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1358-number-of-substrings-containing-all-three-characters/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1358-number-of-substrings-containing-all-three-characters/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1361-validate-binary-tree-nodes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1361-validate-binary-tree-nodes/Medium | Tree, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1366-rank-teams-by-votes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1366-rank-teams-by-votes/Medium | Array, Hash Table, String, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1367-linked-list-in-binary-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1367-linked-list-in-binary-tree/Medium | Linked List, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1371-find-the-longest-substring-containing-vowels-in-even-counts/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1371-find-the-longest-substring-containing-vowels-in-even-counts/Medium | Hash Table, String, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1372-longest-zigzag-path-in-a-binary-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1372-longest-zigzag-path-in-a-binary-tree/Medium | Dynamic Programming, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1375-number-of-times-binary-string-is-prefix-aligned/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1375-number-of-times-binary-string-is-prefix-aligned/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/1376-time-needed-to-inform-all-employees/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1376-time-needed-to-inform-all-employees/Medium | Tree, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1381-design-a-stack-with-increment-operation/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1381-design-a-stack-with-increment-operation/Medium | Array, Stack, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1382-balance-a-binary-search-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1382-balance-a-binary-search-tree/Medium | Divide and Conquer, Greedy, Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1386-cinema-seat-allocation/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1386-cinema-seat-allocation/Medium | Array, Hash Table, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1387-sort-integers-by-the-power-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1387-sort-integers-by-the-power-value/Medium | Dynamic Programming, Memoization, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1391-check-if-there-is-a-valid-path-in-a-grid/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1391-check-if-there-is-a-valid-path-in-a-grid/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1395-count-number-of-teams/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1395-count-number-of-teams/Medium | Array, Dynamic Programming, Binary Indexed Tree, Segment Treehttps://leetcode-solutions-5zk.pages.dev/posts/1396-design-underground-system/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1396-design-underground-system/Medium | Hash Table, String, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1400-construct-k-palindrome-strings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1400-construct-k-palindrome-strings/Medium | Hash Table, String, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1401-circle-and-rectangle-overlapping/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1401-circle-and-rectangle-overlapping/Medium | Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/1404-number-of-steps-to-reduce-a-number-in-binary-representation-to-one/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1404-number-of-steps-to-reduce-a-number-in-binary-representation-to-one/Medium | String, Bit Manipulation, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1409-queries-on-a-permutation-with-key/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1409-queries-on-a-permutation-with-key/Medium | Array, Binary Indexed Tree, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1410-html-entity-parser/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1410-html-entity-parser/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1414-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1414-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1415-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1415-the-k-th-lexicographical-string-of-all-happy-strings-of-length-n/Medium | String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1418-display-table-of-food-orders-in-a-restaurant/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1418-display-table-of-food-orders-in-a-restaurant/Medium | Array, Hash Table, String, Sorting, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/1419-minimum-number-of-frogs-croaking/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1419-minimum-number-of-frogs-croaking/Medium | String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1423-maximum-points-you-can-obtain-from-cards/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1423-maximum-points-you-can-obtain-from-cards/Medium | Array, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1424-diagonal-traverse-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1424-diagonal-traverse-ii/Medium | Array, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1432-max-difference-you-can-get-from-changing-an-integer/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1432-max-difference-you-can-get-from-changing-an-integer/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1433-check-if-a-string-can-break-another-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1433-check-if-a-string-can-break-another-string/Medium | String, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1441-build-an-array-with-stack-operations/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1441-build-an-array-with-stack-operations/Medium | Array, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1448-count-good-nodes-in-binary-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1448-count-good-nodes-in-binary-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1451-rearrange-words-in-a-sentence/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1451-rearrange-words-in-a-sentence/Medium | String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1456-maximum-number-of-vowels-in-a-substring-of-given-length/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1456-maximum-number-of-vowels-in-a-substring-of-given-length/Medium | String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1457-pseudo-palindromic-paths-in-a-binary-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1457-pseudo-palindromic-paths-in-a-binary-tree/Medium | Bit Manipulation, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1461-check-if-a-string-contains-all-binary-codes-of-size-k/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1461-check-if-a-string-contains-all-binary-codes-of-size-k/Medium | Hash Table, String, Bit Manipulation, Rolling Hash, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/1462-course-schedule-iv/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1462-course-schedule-iv/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1466-reorder-routes-to-make-all-paths-lead-to-the-city-zero/Medium | Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1471-the-k-strongest-values-in-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1471-the-k-strongest-values-in-an-array/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1472-design-browser-history/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1472-design-browser-history/Medium | Array, Linked List, Stack, Design, Doubly-Linked List, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/1476-subrectangle-queries/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1476-subrectangle-queries/Medium | Array, Design, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1477-find-two-non-overlapping-sub-arrays-each-with-target-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1477-find-two-non-overlapping-sub-arrays-each-with-target-sum/Medium | Array, Hash Table, Binary Search, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1481-least-number-of-unique-integers-after-k-removals/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1481-least-number-of-unique-integers-after-k-removals/Medium | Array, Hash Table, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1487-making-file-names-unique/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1487-making-file-names-unique/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1492-the-kth-factor-of-n/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1492-the-kth-factor-of-n/Medium | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1493-longest-subarray-of-1s-after-deleting-one-element/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1493-longest-subarray-of-1s-after-deleting-one-element/Medium | Array, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1497-check-if-array-pairs-are-divisible-by-k/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1497-check-if-array-pairs-are-divisible-by-k/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1498-number-of-subsequences-that-satisfy-the-given-sum-condition/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1498-number-of-subsequences-that-satisfy-the-given-sum-condition/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1503-last-moment-before-all-ants-fall-out-of-a-plank/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1503-last-moment-before-all-ants-fall-out-of-a-plank/Medium | Array, Brainteaser, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1508-range-sum-of-sorted-subarray-sums/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1508-range-sum-of-sorted-subarray-sums/Medium | Array, Two Pointers, Binary Search, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1509-minimum-difference-between-largest-and-smallest-value-in-three-moves/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1509-minimum-difference-between-largest-and-smallest-value-in-three-moves/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1513-number-of-substrings-with-only-1s/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1513-number-of-substrings-with-only-1s/Medium | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1514-path-with-maximum-probability/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1514-path-with-maximum-probability/Medium | Array, Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/1519-number-of-nodes-in-the-sub-tree-with-the-same-label/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1519-number-of-nodes-in-the-sub-tree-with-the-same-label/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1524-number-of-sub-arrays-with-odd-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1524-number-of-sub-arrays-with-odd-sum/Medium | Array, Math, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1525-number-of-good-ways-to-split-a-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1525-number-of-good-ways-to-split-a-string/Medium | Hash Table, String, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1529-minimum-suffix-flips/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1529-minimum-suffix-flips/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1530-number-of-good-leaf-nodes-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1530-number-of-good-leaf-nodes-pairs/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1535-find-the-winner-of-an-array-game/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1535-find-the-winner-of-an-array-game/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1540-can-convert-string-in-k-moves/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1540-can-convert-string-in-k-moves/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1541-minimum-insertions-to-balance-a-parentheses-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1541-minimum-insertions-to-balance-a-parentheses-string/Medium | String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1545-find-kth-bit-in-nth-binary-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1545-find-kth-bit-in-nth-binary-string/Medium | String, Recursion, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1546-maximum-number-of-non-overlapping-subarrays-with-sum-equals-target/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1546-maximum-number-of-non-overlapping-subarrays-with-sum-equals-target/Medium | Array, Hash Table, Greedy, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1551-minimum-operations-to-make-array-equal/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1551-minimum-operations-to-make-array-equal/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1552-magnetic-force-between-two-balls/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1552-magnetic-force-between-two-balls/Medium | Array, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1557-minimum-number-of-vertices-to-reach-all-nodes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1557-minimum-number-of-vertices-to-reach-all-nodes/Medium | Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1558-minimum-numbers-of-function-calls-to-make-target-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1558-minimum-numbers-of-function-calls-to-make-target-array/Medium | Array, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1561-maximum-number-of-coins-you-can-get/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1561-maximum-number-of-coins-you-can-get/Medium | Array, Math, Greedy, Sorting, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1562-find-latest-group-of-size-m/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1562-find-latest-group-of-size-m/Medium | Array, Hash Table, Binary Search, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1567-maximum-length-of-subarray-with-positive-product/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1567-maximum-length-of-subarray-with-positive-product/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1573-number-of-ways-to-split-a-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1573-number-of-ways-to-split-a-string/Medium | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1574-shortest-subarray-to-be-removed-to-make-array-sorted/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1574-shortest-subarray-to-be-removed-to-make-array-sorted/Medium | Array, Two Pointers, Binary Search, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1578-minimum-time-to-make-rope-colorful/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1578-minimum-time-to-make-rope-colorful/Medium | Array, String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1583-count-unhappy-friends/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1583-count-unhappy-friends/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1584-min-cost-to-connect-all-points/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1584-min-cost-to-connect-all-points/Medium | Array, Union-Find, Graph Theory, Minimum Spanning Treehttps://leetcode-solutions-5zk.pages.dev/posts/1589-maximum-sum-obtained-of-any-permutation/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1589-maximum-sum-obtained-of-any-permutation/Medium | Array, Greedy, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1590-make-sum-divisible-by-p/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1590-make-sum-divisible-by-p/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1593-split-a-string-into-the-max-number-of-unique-substrings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1593-split-a-string-into-the-max-number-of-unique-substrings/Medium | Hash Table, String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1594-maximum-non-negative-product-in-a-matrix/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1594-maximum-non-negative-product-in-a-matrix/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1599-maximum-profit-of-operating-a-centennial-wheel/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1599-maximum-profit-of-operating-a-centennial-wheel/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1600-throne-inheritance/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1600-throne-inheritance/Medium | Hash Table, Tree, Depth-First Search, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1604-alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1604-alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1605-find-valid-matrix-given-row-and-column-sums/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1605-find-valid-matrix-given-row-and-column-sums/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1609-even-odd-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1609-even-odd-tree/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1615-maximal-network-rank/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1615-maximal-network-rank/Medium | Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1616-split-two-strings-to-make-palindrome/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1616-split-two-strings-to-make-palindrome/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1621-number-of-sets-of-k-non-overlapping-line-segments/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1621-number-of-sets-of-k-non-overlapping-line-segments/Medium | Math, Dynamic Programming, Combinatorics, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1626-best-team-with-no-conflicts/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1626-best-team-with-no-conflicts/Medium | Array, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1630-arithmetic-subarrays/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1630-arithmetic-subarrays/Medium | Array, Hash Table, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1641-count-sorted-vowel-strings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1641-count-sorted-vowel-strings/Medium | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/1642-furthest-building-you-can-reach/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1642-furthest-building-you-can-reach/Medium | Array, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1647-minimum-deletions-to-make-character-frequencies-unique/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1647-minimum-deletions-to-make-character-frequencies-unique/Medium | Hash Table, String, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1648-sell-diminishing-valued-colored-balls/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1648-sell-diminishing-valued-colored-balls/Medium | Array, Math, Binary Search, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1653-minimum-deletions-to-make-string-balanced/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1653-minimum-deletions-to-make-string-balanced/Medium | String, Dynamic Programming, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1654-minimum-jumps-to-reach-home/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1654-minimum-jumps-to-reach-home/Medium | Array, Hash Table, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1658-minimum-operations-to-reduce-x-to-zero/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1658-minimum-operations-to-reduce-x-to-zero/Medium | Array, Hash Table, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1663-smallest-string-with-a-given-numeric-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1663-smallest-string-with-a-given-numeric-value/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1664-ways-to-make-a-fair-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1664-ways-to-make-a-fair-array/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1669-merge-in-between-linked-lists/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1669-merge-in-between-linked-lists/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/1670-design-front-middle-back-queue/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1670-design-front-middle-back-queue/Medium | Array, Linked List, Design, Queue, Doubly-Linked List, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/1673-find-the-most-competitive-subsequence/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1673-find-the-most-competitive-subsequence/Medium | Array, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1674-minimum-moves-to-make-array-complementary/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1674-minimum-moves-to-make-array-complementary/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1679-max-number-of-k-sum-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1679-max-number-of-k-sum-pairs/Medium | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1680-concatenation-of-consecutive-binary-numbers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1680-concatenation-of-consecutive-binary-numbers/Medium | Math, Bit Manipulation, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1685-sum-of-absolute-differences-in-a-sorted-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1685-sum-of-absolute-differences-in-a-sorted-array/Medium | Array, Math, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1686-stone-game-vi/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1686-stone-game-vi/Medium | Array, Math, Greedy, Sorting, Heap (Priority Queue), Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1689-partitioning-into-minimum-number-of-deci-binary-numbers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1689-partitioning-into-minimum-number-of-deci-binary-numbers/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1690-stone-game-vii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1690-stone-game-vii/Medium | Array, Math, Dynamic Programming, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1695-maximum-erasure-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1695-maximum-erasure-value/Medium | Array, Hash Table, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1696-jump-game-vi/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1696-jump-game-vi/Medium | Array, Dynamic Programming, Queue, Heap (Priority Queue), Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/1701-average-waiting-time/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1701-average-waiting-time/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1702-maximum-binary-string-after-change/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1702-maximum-binary-string-after-change/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1706-where-will-the-ball-fall/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1706-where-will-the-ball-fall/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1712-ways-to-split-array-into-three-subarrays/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1712-ways-to-split-array-into-three-subarrays/Medium | Array, Two Pointers, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1717-maximum-score-from-removing-substrings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1717-maximum-score-from-removing-substrings/Medium | String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1718-construct-the-lexicographically-largest-valid-sequence/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1718-construct-the-lexicographically-largest-valid-sequence/Medium | Array, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1721-swapping-nodes-in-a-linked-list/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1721-swapping-nodes-in-a-linked-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/1722-minimize-hamming-distance-after-swap-operations/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1722-minimize-hamming-distance-after-swap-operations/Medium | Array, Depth-First Search, Union-Findhttps://leetcode-solutions-5zk.pages.dev/posts/1726-tuple-with-same-product/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1726-tuple-with-same-product/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1733-minimum-number-of-people-to-teach/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1733-minimum-number-of-people-to-teach/Medium | Array, Hash Table, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1734-decode-xored-permutation/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1734-decode-xored-permutation/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1737-change-minimum-characters-to-satisfy-one-of-three-conditions/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1737-change-minimum-characters-to-satisfy-one-of-three-conditions/Medium | Hash Table, String, Counting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1738-find-kth-largest-xor-coordinate-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1738-find-kth-largest-xor-coordinate-value/Medium | Array, Divide and Conquer, Bit Manipulation, Sorting, Heap (Priority Queue), Matrix, Prefix Sum, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/1743-restore-the-array-from-adjacent-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1743-restore-the-array-from-adjacent-pairs/Medium | Array, Hash Table, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1744-can-you-eat-your-favorite-candy-on-your-favorite-day/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1744-can-you-eat-your-favorite-candy-on-your-favorite-day/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1749-maximum-absolute-sum-of-any-subarray/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1749-maximum-absolute-sum-of-any-subarray/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1750-minimum-length-of-string-after-deleting-similar-ends/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1750-minimum-length-of-string-after-deleting-similar-ends/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1753-maximum-score-from-removing-stones/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1753-maximum-score-from-removing-stones/Medium | Math, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1754-largest-merge-of-two-strings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1754-largest-merge-of-two-strings/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1759-count-number-of-homogenous-substrings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1759-count-number-of-homogenous-substrings/Medium | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1760-minimum-limit-of-balls-in-a-bag/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1760-minimum-limit-of-balls-in-a-bag/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1764-form-array-by-concatenating-subarrays-of-another-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1764-form-array-by-concatenating-subarrays-of-another-array/Medium | Array, Two Pointers, Greedy, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/1769-minimum-number-of-operations-to-move-all-balls-to-each-box/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1769-minimum-number-of-operations-to-move-all-balls-to-each-box/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1775-equal-sum-arrays-with-minimum-number-of-operations/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1775-equal-sum-arrays-with-minimum-number-of-operations/Medium | Array, Hash Table, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1780-check-if-number-is-a-sum-of-powers-of-three/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1780-check-if-number-is-a-sum-of-powers-of-three/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1781-sum-of-beauty-of-all-substrings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1781-sum-of-beauty-of-all-substrings/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1785-minimum-elements-to-add-to-form-a-given-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1785-minimum-elements-to-add-to-form-a-given-sum/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1786-number-of-restricted-paths-from-first-to-last-node/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1786-number-of-restricted-paths-from-first-to-last-node/Medium | Dynamic Programming, Graph Theory, Topological Sort, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/1797-design-authentication-manager/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1797-design-authentication-manager/Medium | Hash Table, Linked List, Design, Doubly-Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/1798-maximum-number-of-consecutive-values-you-can-make/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1798-maximum-number-of-consecutive-values-you-can-make/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1801-number-of-orders-in-the-backlog/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1801-number-of-orders-in-the-backlog/Medium | Array, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1802-maximum-value-at-a-given-index-in-a-bounded-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1802-maximum-value-at-a-given-index-in-a-bounded-array/Medium | Math, Binary Search, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1807-evaluate-the-bracket-pairs-of-a-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1807-evaluate-the-bracket-pairs-of-a-string/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1813-sentence-similarity-iii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1813-sentence-similarity-iii/Medium | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1814-count-nice-pairs-in-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1814-count-nice-pairs-in-an-array/Medium | Array, Hash Table, Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1817-finding-the-users-active-minutes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1817-finding-the-users-active-minutes/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/1818-minimum-absolute-sum-difference/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1818-minimum-absolute-sum-difference/Medium | Array, Binary Search, Sorting, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/1823-find-the-winner-of-the-circular-game/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1823-find-the-winner-of-the-circular-game/Medium | Array, Math, Recursion, Queue, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1824-minimum-sideway-jumps/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1824-minimum-sideway-jumps/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1828-queries-on-number-of-points-inside-a-circle/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1828-queries-on-number-of-points-inside-a-circle/Medium | Array, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/1829-maximum-xor-for-each-query/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1829-maximum-xor-for-each-query/Medium | Array, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1833-maximum-ice-cream-bars/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1833-maximum-ice-cream-bars/Medium | Array, Greedy, Sorting, Counting Sorthttps://leetcode-solutions-5zk.pages.dev/posts/1838-frequency-of-the-most-frequent-element/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1838-frequency-of-the-most-frequent-element/Medium | Array, Binary Search, Greedy, Sliding Window, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1845-seat-reservation-manager/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1845-seat-reservation-manager/Medium | Design, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1846-maximum-element-after-decreasing-and-rearranging/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1846-maximum-element-after-decreasing-and-rearranging/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1849-splitting-a-string-into-descending-consecutive-values/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1849-splitting-a-string-into-descending-consecutive-values/Medium | String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1850-minimum-adjacent-swaps-to-reach-the-kth-smallest-number/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1850-minimum-adjacent-swaps-to-reach-the-kth-smallest-number/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1855-maximum-distance-between-a-pair-of-values/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1855-maximum-distance-between-a-pair-of-values/Medium | Array, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1856-maximum-subarray-min-product/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1856-maximum-subarray-min-product/Medium | Array, Stack, Monotonic Stack, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1860-incremental-memory-leak/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1860-incremental-memory-leak/Medium | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1864-minimum-number-of-swaps-to-make-the-binary-string-alternating/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1864-minimum-number-of-swaps-to-make-the-binary-string-alternating/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1865-finding-pairs-with-a-certain-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1865-finding-pairs-with-a-certain-sum/Medium | Array, Hash Table, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1870-minimum-speed-to-arrive-on-time/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1870-minimum-speed-to-arrive-on-time/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1871-jump-game-vii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1871-jump-game-vii/Medium | String, Dynamic Programming, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1877-minimize-maximum-pair-sum-in-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1877-minimize-maximum-pair-sum-in-array/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1878-get-biggest-three-rhombus-sums-in-a-grid/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1878-get-biggest-three-rhombus-sums-in-a-grid/Medium | Array, Math, Sorting, Heap (Priority Queue), Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1881-maximum-value-after-insertion/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1881-maximum-value-after-insertion/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1884-egg-drop-with-2-eggs-and-n-floors/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1884-egg-drop-with-2-eggs-and-n-floors/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1887-reduction-operations-to-make-the-array-elements-equal/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1887-reduction-operations-to-make-the-array-elements-equal/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1888-minimum-number-of-flips-to-make-the-binary-string-alternating/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1888-minimum-number-of-flips-to-make-the-binary-string-alternating/Medium | String, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1894-find-the-student-that-will-replace-the-chalk/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1894-find-the-student-that-will-replace-the-chalk/Medium | Array, Binary Search, Simulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1895-largest-magic-square/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1895-largest-magic-square/Medium | Array, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1901-find-a-peak-element-ii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1901-find-a-peak-element-ii/Medium | Array, Binary Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1904-the-number-of-full-rounds-you-have-played/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1904-the-number-of-full-rounds-you-have-played/Medium | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1905-count-sub-islands/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1905-count-sub-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1906-minimum-absolute-difference-queries/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1906-minimum-absolute-difference-queries/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1910-remove-all-occurrences-of-a-substring/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1910-remove-all-occurrences-of-a-substring/Medium | String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1911-maximum-alternating-subsequence-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1911-maximum-alternating-subsequence-sum/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1921-eliminate-maximum-number-of-monsters/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1921-eliminate-maximum-number-of-monsters/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1922-count-good-numbers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1922-count-good-numbers/Medium | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/1927-sum-game/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1927-sum-game/Medium | Math, String, Greedy, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1930-unique-length-3-palindromic-subsequences/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1930-unique-length-3-palindromic-subsequences/Medium | Hash Table, String, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1936-add-minimum-number-of-rungs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1936-add-minimum-number-of-rungs/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1937-maximum-number-of-points-with-cost/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1937-maximum-number-of-points-with-cost/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1942-the-number-of-the-smallest-unoccupied-chair/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1942-the-number-of-the-smallest-unoccupied-chair/Medium | Array, Hash Table, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1943-describe-the-painting/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1943-describe-the-painting/Medium | Array, Hash Table, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1946-largest-number-after-mutating-substring/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1946-largest-number-after-mutating-substring/Medium | Array, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1953-maximum-number-of-weeks-for-which-you-can-work/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1953-maximum-number-of-weeks-for-which-you-can-work/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1954-minimum-garden-perimeter-to-collect-enough-apples/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1954-minimum-garden-perimeter-to-collect-enough-apples/Medium | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1958-check-if-move-is-legal/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1958-check-if-move-is-legal/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1959-minimum-total-space-wasted-with-k-resizing-operations/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1959-minimum-total-space-wasted-with-k-resizing-operations/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1962-remove-stones-to-minimize-the-total/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1962-remove-stones-to-minimize-the-total/Medium | Array, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1963-minimum-number-of-swaps-to-make-the-string-balanced/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1963-minimum-number-of-swaps-to-make-the-string-balanced/Medium | Two Pointers, String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1968-array-with-elements-not-equal-to-average-of-neighbors/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1968-array-with-elements-not-equal-to-average-of-neighbors/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1969-minimum-non-zero-product-of-the-array-elements/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1969-minimum-non-zero-product-of-the-array-elements/Medium | Math, Greedy, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/1975-maximum-matrix-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1975-maximum-matrix-sum/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1980-find-unique-binary-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1980-find-unique-binary-string/Medium | Array, Hash Table, String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1981-minimize-the-difference-between-target-and-chosen-elements/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1981-minimize-the-difference-between-target-and-chosen-elements/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1985-find-the-kth-largest-integer-in-the-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1985-find-the-kth-largest-integer-in-the-array/Medium | Array, String, Divide and Conquer, Sorting, Heap (Priority Queue), Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/1986-minimum-number-of-work-sessions-to-finish-the-tasks/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1986-minimum-number-of-work-sessions-to-finish-the-tasks/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/1993-operations-on-tree/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1993-operations-on-tree/Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Search, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1996-the-number-of-weak-characters-in-the-game/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1996-the-number-of-weak-characters-in-the-game/Medium | Array, Stack, Greedy, Sorting, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1997-first-day-where-you-have-been-in-all-the-rooms/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1997-first-day-where-you-have-been-in-all-the-rooms/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1004-max-consecutive-ones-iii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1004-max-consecutive-ones-iii/Medium | Array, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1006-clumsy-factorial/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1006-clumsy-factorial/Medium | Math, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1007-minimum-domino-rotations-for-equal-row/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1007-minimum-domino-rotations-for-equal-row/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1008-construct-binary-search-tree-from-preorder-traversal/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1008-construct-binary-search-tree-from-preorder-traversal/Medium | Array, Stack, Tree, Binary Search Tree, Monotonic Stack, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1010-pairs-of-songs-with-total-durations-divisible-by-60/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1010-pairs-of-songs-with-total-durations-divisible-by-60/Medium | Array, Hash Table, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1011-capacity-to-ship-packages-within-d-days/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1011-capacity-to-ship-packages-within-d-days/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1014-best-sightseeing-pair/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1014-best-sightseeing-pair/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1015-smallest-integer-divisible-by-k/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1015-smallest-integer-divisible-by-k/Medium | Hash Table, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1016-binary-string-with-substrings-representing-1-to-n/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1016-binary-string-with-substrings-representing-1-to-n/Medium | Hash Table, String, Bit Manipulation, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1017-convert-to-base-2/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1017-convert-to-base-2/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1019-next-greater-node-in-linked-list/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1019-next-greater-node-in-linked-list/Medium | Array, Linked List, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1020-number-of-enclaves/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1020-number-of-enclaves/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1024-video-stitching/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1024-video-stitching/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1026-maximum-difference-between-node-and-ancestor/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1026-maximum-difference-between-node-and-ancestor/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1027-longest-arithmetic-subsequence/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1027-longest-arithmetic-subsequence/Medium | Array, Hash Table, Binary Search, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1029-two-city-scheduling/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1029-two-city-scheduling/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1031-maximum-sum-of-two-non-overlapping-subarrays/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1031-maximum-sum-of-two-non-overlapping-subarrays/Medium | Array, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1033-moving-stones-until-consecutive/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1033-moving-stones-until-consecutive/Medium | Math, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/1038-binary-search-tree-to-greater-sum-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1038-binary-search-tree-to-greater-sum-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1039-minimum-score-triangulation-of-polygon/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1039-minimum-score-triangulation-of-polygon/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1040-moving-stones-until-consecutive-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1040-moving-stones-until-consecutive-ii/Medium | Array, Math, Sliding Window, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1041-robot-bounded-in-circle/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1041-robot-bounded-in-circle/Medium | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1042-flower-planting-with-no-adjacent/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1042-flower-planting-with-no-adjacent/Medium | Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1043-partition-array-for-maximum-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1043-partition-array-for-maximum-sum/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1048-longest-string-chain/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1048-longest-string-chain/Medium | Array, Hash Table, Two Pointers, String, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1049-last-stone-weight-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1049-last-stone-weight-ii/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1052-grumpy-bookstore-owner/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1052-grumpy-bookstore-owner/Medium | Array, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1053-previous-permutation-with-one-swap/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1053-previous-permutation-with-one-swap/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1054-distant-barcodes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1054-distant-barcodes/Medium | Array, Hash Table, Greedy, Sorting, Heap (Priority Queue), Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1061-lexicographically-smallest-equivalent-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1061-lexicographically-smallest-equivalent-string/Medium | String, Union-Findhttps://leetcode-solutions-5zk.pages.dev/posts/1072-flip-columns-for-maximum-number-of-equal-rows/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1072-flip-columns-for-maximum-number-of-equal-rows/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1073-adding-two-negabinary-numbers/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1073-adding-two-negabinary-numbers/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1079-letter-tile-possibilities/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1079-letter-tile-possibilities/Medium | Hash Table, String, Backtracking, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1080-insufficient-nodes-in-root-to-leaf-paths/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1080-insufficient-nodes-in-root-to-leaf-paths/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1081-smallest-subsequence-of-distinct-characters/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1081-smallest-subsequence-of-distinct-characters/Medium | String, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1090-largest-values-from-labels/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1090-largest-values-from-labels/Medium | Array, Hash Table, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1091-shortest-path-in-binary-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1091-shortest-path-in-binary-matrix/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1094-car-pooling/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1094-car-pooling/Medium | Array, Sorting, Heap (Priority Queue), Simulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1104-path-in-zigzag-labelled-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1104-path-in-zigzag-labelled-binary-tree/Medium | Math, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1105-filling-bookcase-shelves/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1105-filling-bookcase-shelves/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1109-corporate-flight-bookings/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1109-corporate-flight-bookings/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1110-delete-nodes-and-return-forest/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1110-delete-nodes-and-return-forest/Medium | Array, Hash Table, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1111-maximum-nesting-depth-of-two-valid-parentheses-strings/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1111-maximum-nesting-depth-of-two-valid-parentheses-strings/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1123-lowest-common-ancestor-of-deepest-leaves/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1123-lowest-common-ancestor-of-deepest-leaves/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1124-longest-well-performing-interval/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1124-longest-well-performing-interval/Medium | Array, Hash Table, Stack, Monotonic Stack, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1130-minimum-cost-tree-from-leaf-values/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1130-minimum-cost-tree-from-leaf-values/Medium | Array, Dynamic Programming, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1131-maximum-of-absolute-value-expression/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1131-maximum-of-absolute-value-expression/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1138-alphabet-board-path/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1138-alphabet-board-path/Medium | Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1140-stone-game-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1140-stone-game-ii/Medium | Array, Math, Dynamic Programming, Prefix Sum, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1144-decrease-elements-to-make-array-zigzag/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1144-decrease-elements-to-make-array-zigzag/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1145-binary-tree-coloring-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1145-binary-tree-coloring-game/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1146-snapshot-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1146-snapshot-array/Medium | Array, Hash Table, Binary Search, Designhttps://leetcode-solutions-5zk.pages.dev/posts/1155-number-of-dice-rolls-with-target-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1155-number-of-dice-rolls-with-target-sum/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1156-swap-for-longest-repeated-character-substring/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1156-swap-for-longest-repeated-character-substring/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1161-maximum-level-sum-of-a-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1161-maximum-level-sum-of-a-binary-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1170-compare-strings-by-frequency-of-the-smallest-character/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1170-compare-strings-by-frequency-of-the-smallest-character/Medium | Array, Hash Table, String, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1171-remove-zero-sum-consecutive-nodes-from-linked-list/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1171-remove-zero-sum-consecutive-nodes-from-linked-list/Medium | Hash Table, Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/1177-can-make-palindrome-from-substring/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1177-can-make-palindrome-from-substring/Medium | Array, Hash Table, String, Bit Manipulation, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1186-maximum-subarray-sum-with-one-deletion/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1186-maximum-subarray-sum-with-one-deletion/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1190-reverse-substrings-between-each-pair-of-parentheses/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1190-reverse-substrings-between-each-pair-of-parentheses/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1191-k-concatenation-maximum-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1191-k-concatenation-maximum-sum/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1201-ugly-number-iii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1201-ugly-number-iii/Medium | Math, Binary Search, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1202-smallest-string-with-swaps/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1202-smallest-string-with-swaps/Medium | Array, Hash Table, String, Depth-First Search, Breadth-First Search, Union-Find, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1208-get-equal-substrings-within-budget/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1208-get-equal-substrings-within-budget/Medium | String, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1209-remove-all-adjacent-duplicates-in-string-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1209-remove-all-adjacent-duplicates-in-string-ii/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1218-longest-arithmetic-subsequence-of-given-difference/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1218-longest-arithmetic-subsequence-of-given-difference/Medium | Array, Hash Table, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/1219-path-with-maximum-gold/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1219-path-with-maximum-gold/Medium | Array, Backtracking, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1222-queens-that-can-attack-the-king/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1222-queens-that-can-attack-the-king/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1227-airplane-seat-assignment-probability/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1227-airplane-seat-assignment-probability/Medium | Math, Dynamic Programming, Brainteaser, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/1233-remove-sub-folders-from-the-filesystem/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1233-remove-sub-folders-from-the-filesystem/Medium | Array, String, Depth-First Search, Triehttps://leetcode-solutions-5zk.pages.dev/posts/1234-replace-the-substring-for-balanced-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1234-replace-the-substring-for-balanced-string/Medium | String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/1237-find-positive-integer-solution-for-a-given-equation/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1237-find-positive-integer-solution-for-a-given-equation/Medium | Math, Two Pointers, Binary Search, Interactivehttps://leetcode-solutions-5zk.pages.dev/posts/1238-circular-permutation-in-binary-representation/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1238-circular-permutation-in-binary-representation/Medium | Math, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1247-minimum-swaps-to-make-strings-equal/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1247-minimum-swaps-to-make-strings-equal/Medium | Math, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1248-count-number-of-nice-subarrays/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1248-count-number-of-nice-subarrays/Medium | Array, Hash Table, Math, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1249-minimum-remove-to-make-valid-parentheses/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1249-minimum-remove-to-make-valid-parentheses/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1253-reconstruct-a-2-row-binary-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1253-reconstruct-a-2-row-binary-matrix/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1254-number-of-closed-islands/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1254-number-of-closed-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1261-find-elements-in-a-contaminated-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1261-find-elements-in-a-contaminated-binary-tree/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Design, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/1262-greatest-sum-divisible-by-three/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1262-greatest-sum-divisible-by-three/Medium | Array, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1268-search-suggestions-system/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1268-search-suggestions-system/Medium | Array, String, Binary Search, Trie, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/1276-number-of-burgers-with-no-waste-of-ingredients/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1276-number-of-burgers-with-no-waste-of-ingredients/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0721-accounts-merge/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0721-accounts-merge/Medium | Array, Hash Table, String, Depth-First Search, Breadth-First Search, Union-Find, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0725-split-linked-list-in-parts/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0725-split-linked-list-in-parts/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0729-my-calendar-i/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0729-my-calendar-i/Medium | Array, Binary Search, Design, Segment Tree, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/0731-my-calendar-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0731-my-calendar-ii/Medium | Array, Binary Search, Design, Segment Tree, Prefix Sum, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/0738-monotone-increasing-digits/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0738-monotone-increasing-digits/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0739-daily-temperatures/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0739-daily-temperatures/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0740-delete-and-earn/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0740-delete-and-earn/Medium | Array, Hash Table, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0743-network-delay-time/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0743-network-delay-time/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/0752-open-the-lock/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0752-open-the-lock/Medium | Array, Hash Table, String, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0754-reach-a-number/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0754-reach-a-number/Medium | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0756-pyramid-transition-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0756-pyramid-transition-matrix/Medium | Hash Table, String, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0763-partition-labels/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0763-partition-labels/Medium | Hash Table, Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0764-largest-plus-sign/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0764-largest-plus-sign/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0767-reorganize-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0767-reorganize-string/Medium | Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0769-max-chunks-to-make-sorted/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0769-max-chunks-to-make-sorted/Medium | Array, Stack, Greedy, Sorting, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0775-global-and-local-inversions/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0775-global-and-local-inversions/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0777-swap-adjacent-in-lr-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0777-swap-adjacent-in-lr-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0779-k-th-symbol-in-grammar/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0779-k-th-symbol-in-grammar/Medium | Math, Bit Manipulation, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0781-rabbits-in-forest/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0781-rabbits-in-forest/Medium | Array, Hash Table, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0784-letter-case-permutation/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0784-letter-case-permutation/Medium | String, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0786-k-th-smallest-prime-fraction/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0786-k-th-smallest-prime-fraction/Medium | Array, Two Pointers, Binary Search, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0787-cheapest-flights-within-k-stops/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0787-cheapest-flights-within-k-stops/Medium | Dynamic Programming, Depth-First Search, Breadth-First Search, Graph Theory, Heap (Priority Queue), Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/0788-rotated-digits/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0788-rotated-digits/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0789-escape-the-ghosts/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0789-escape-the-ghosts/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0790-domino-and-tromino-tiling/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0790-domino-and-tromino-tiling/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0791-custom-sort-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0791-custom-sort-string/Medium | Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0795-number-of-subarrays-with-bounded-maximum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0795-number-of-subarrays-with-bounded-maximum/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0797-all-paths-from-source-to-target/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0797-all-paths-from-source-to-target/Medium | Backtracking, Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0799-champagne-tower/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0799-champagne-tower/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0802-find-eventual-safe-states/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0802-find-eventual-safe-states/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0807-max-increase-to-keep-city-skyline/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0807-max-increase-to-keep-city-skyline/Medium | Array, Greedy, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0808-soup-servings/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0808-soup-servings/Medium | Math, Dynamic Programming, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/0813-largest-sum-of-averages/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0813-largest-sum-of-averages/Medium | Array, Dynamic Programming, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0814-binary-tree-pruning/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0814-binary-tree-pruning/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0816-ambiguous-coordinates/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0816-ambiguous-coordinates/Medium | String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0817-linked-list-components/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0817-linked-list-components/Medium | Array, Hash Table, Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0820-short-encoding-of-words/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0820-short-encoding-of-words/Medium | Array, Hash Table, String, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0822-card-flipping-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0822-card-flipping-game/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/0825-friends-of-appropriate-ages/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0825-friends-of-appropriate-ages/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0826-most-profit-assigning-work/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0826-most-profit-assigning-work/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0831-masking-personal-information/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0831-masking-personal-information/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0833-find-and-replace-in-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0833-find-and-replace-in-string/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0837-new-21-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0837-new-21-game/Medium | Math, Dynamic Programming, Sliding Window, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/0838-push-dominoes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0838-push-dominoes/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0840-magic-squares-in-grid/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0840-magic-squares-in-grid/Medium | Array, Hash Table, Math, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0841-keys-and-rooms/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0841-keys-and-rooms/Medium | Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0842-split-array-into-fibonacci-sequence/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0842-split-array-into-fibonacci-sequence/Medium | String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0845-longest-mountain-in-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0845-longest-mountain-in-array/Medium | Array, Two Pointers, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0846-hand-of-straights/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0846-hand-of-straights/Medium | Array, Hash Table, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0848-shifting-letters/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0848-shifting-letters/Medium | Array, String, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0849-maximize-distance-to-closest-person/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0849-maximize-distance-to-closest-person/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/0851-loud-and-rich/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0851-loud-and-rich/Medium | Array, Depth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0852-peak-index-in-a-mountain-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0852-peak-index-in-a-mountain-array/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0853-car-fleet/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0853-car-fleet/Medium | Array, Stack, Sorting, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0855-exam-room/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0855-exam-room/Medium | Design, Heap (Priority Queue), Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/0856-score-of-parentheses/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0856-score-of-parentheses/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0858-mirror-reflection/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0858-mirror-reflection/Medium | Math, Geometry, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0861-score-after-flipping-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0861-score-after-flipping-matrix/Medium | Array, Greedy, Bit Manipulation, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0863-all-nodes-distance-k-in-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0863-all-nodes-distance-k-in-binary-tree/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0865-smallest-subtree-with-all-the-deepest-nodes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0865-smallest-subtree-with-all-the-deepest-nodes/Medium | Hash Table, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0866-prime-palindrome/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0866-prime-palindrome/Medium | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0869-reordered-power-of-2/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0869-reordered-power-of-2/Medium | Hash Table, Math, Sorting, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0870-advantage-shuffle/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0870-advantage-shuffle/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0873-length-of-longest-fibonacci-subsequence/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0873-length-of-longest-fibonacci-subsequence/Medium | Array, Hash Table, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0874-walking-robot-simulation/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0874-walking-robot-simulation/Medium | Array, Hash Table, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0875-koko-eating-bananas/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0875-koko-eating-bananas/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0877-stone-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0877-stone-game/Medium | Array, Math, Dynamic Programming, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0880-decoded-string-at-index/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0880-decoded-string-at-index/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0881-boats-to-save-people/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0881-boats-to-save-people/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0885-spiral-matrix-iii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0885-spiral-matrix-iii/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0889-construct-binary-tree-from-preorder-and-postorder-traversal/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0889-construct-binary-tree-from-preorder-and-postorder-traversal/Medium | Array, Hash Table, Divide and Conquer, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0890-find-and-replace-pattern/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0890-find-and-replace-pattern/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0894-all-possible-full-binary-trees/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0894-all-possible-full-binary-trees/Medium | Dynamic Programming, Tree, Recursion, Memoization, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0898-bitwise-ors-of-subarrays/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0898-bitwise-ors-of-subarrays/Medium | Array, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0900-rle-iterator/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0900-rle-iterator/Medium | Array, Design, Counting, Iteratorhttps://leetcode-solutions-5zk.pages.dev/posts/0901-online-stock-span/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0901-online-stock-span/Medium | Stack, Design, Monotonic Stack, Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/0907-sum-of-subarray-minimums/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0907-sum-of-subarray-minimums/Medium | Array, Dynamic Programming, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0909-snakes-and-ladders/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0909-snakes-and-ladders/Medium | Array, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0910-smallest-range-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0910-smallest-range-ii/Medium | Array, Math, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0911-online-election/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0911-online-election/Medium | Array, Hash Table, Binary Search, Designhttps://leetcode-solutions-5zk.pages.dev/posts/0912-sort-an-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0912-sort-an-array/Medium | Array, Divide and Conquer, Sorting, Heap (Priority Queue), Merge Sort, Bucket Sort, Radix Sort, Counting Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0915-partition-array-into-disjoint-intervals/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0915-partition-array-into-disjoint-intervals/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/0916-word-subsets/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0916-word-subsets/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0918-maximum-sum-circular-subarray/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0918-maximum-sum-circular-subarray/Medium | Array, Divide and Conquer, Dynamic Programming, Queue, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/0919-complete-binary-tree-inserter/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0919-complete-binary-tree-inserter/Medium | Tree, Breadth-First Search, Design, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0921-minimum-add-to-make-parentheses-valid/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0921-minimum-add-to-make-parentheses-valid/Medium | String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0926-flip-string-to-monotone-increasing/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0926-flip-string-to-monotone-increasing/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0930-binary-subarrays-with-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0930-binary-subarrays-with-sum/Medium | Array, Hash Table, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0931-minimum-falling-path-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0931-minimum-falling-path-sum/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0932-beautiful-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0932-beautiful-array/Medium | Array, Math, Divide and Conquerhttps://leetcode-solutions-5zk.pages.dev/posts/0935-knight-dialer/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0935-knight-dialer/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0945-minimum-increment-to-make-array-unique/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0945-minimum-increment-to-make-array-unique/Medium | Array, Greedy, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0946-validate-stack-sequences/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0946-validate-stack-sequences/Medium | Array, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0947-most-stones-removed-with-same-row-or-column/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0947-most-stones-removed-with-same-row-or-column/Medium | Hash Table, Depth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0948-bag-of-tokens/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0948-bag-of-tokens/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0949-largest-time-for-given-digits/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0949-largest-time-for-given-digits/Medium | Array, String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0950-reveal-cards-in-increasing-order/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0950-reveal-cards-in-increasing-order/Medium | Array, Queue, Sorting, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0951-flip-equivalent-binary-trees/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0951-flip-equivalent-binary-trees/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0954-array-of-doubled-pairs/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0954-array-of-doubled-pairs/Medium | Array, Hash Table, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0955-delete-columns-to-make-sorted-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0955-delete-columns-to-make-sorted-ii/Medium | Array, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0957-prison-cells-after-n-days/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0957-prison-cells-after-n-days/Medium | Array, Hash Table, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0958-check-completeness-of-a-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0958-check-completeness-of-a-binary-tree/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0962-maximum-width-ramp/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0962-maximum-width-ramp/Medium | Array, Two Pointers, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0966-vowel-spellchecker/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0966-vowel-spellchecker/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0967-numbers-with-same-consecutive-differences/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0967-numbers-with-same-consecutive-differences/Medium | Backtracking, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0971-flip-binary-tree-to-match-preorder-traversal/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0971-flip-binary-tree-to-match-preorder-traversal/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0974-subarray-sums-divisible-by-k/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0974-subarray-sums-divisible-by-k/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0978-longest-turbulent-subarray/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0978-longest-turbulent-subarray/Medium | Array, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0979-distribute-coins-in-binary-tree/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0979-distribute-coins-in-binary-tree/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0981-time-based-key-value-store/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0981-time-based-key-value-store/Medium | Hash Table, String, Binary Search, Designhttps://leetcode-solutions-5zk.pages.dev/posts/0983-minimum-cost-for-tickets/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0983-minimum-cost-for-tickets/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0984-string-without-aaa-or-bbb/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0984-string-without-aaa-or-bbb/Medium | String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0985-sum-of-even-numbers-after-queries/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0985-sum-of-even-numbers-after-queries/Medium | Array, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0986-interval-list-intersections/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0986-interval-list-intersections/Medium | Array, Two Pointers, Sweep Linehttps://leetcode-solutions-5zk.pages.dev/posts/0990-satisfiability-of-equality-equations/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0990-satisfiability-of-equality-equations/Medium | Array, String, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0991-broken-calculator/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0991-broken-calculator/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0998-maximum-binary-tree-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0998-maximum-binary-tree-ii/Medium | Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0481-magical-string/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0481-magical-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0486-predict-the-winner/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0486-predict-the-winner/Medium | Array, Math, Dynamic Programming, Recursion, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0491-non-decreasing-subsequences/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0491-non-decreasing-subsequences/Medium | Array, Hash Table, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0494-target-sum/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0494-target-sum/Medium | Array, Dynamic Programming, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0497-random-point-in-non-overlapping-rectangles/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0497-random-point-in-non-overlapping-rectangles/Medium | Array, Math, Binary Search, Reservoir Sampling, Prefix Sum, Ordered Set, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0498-diagonal-traverse/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0498-diagonal-traverse/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0503-next-greater-element-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0503-next-greater-element-ii/Medium | Array, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0508-most-frequent-subtree-sum/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0508-most-frequent-subtree-sum/Medium | Hash Table, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0515-find-largest-value-in-each-tree-row/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0515-find-largest-value-in-each-tree-row/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0518-coin-change-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0518-coin-change-ii/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0519-random-flip-matrix/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0519-random-flip-matrix/Medium | Hash Table, Math, Reservoir Sampling, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0523-continuous-subarray-sum/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0523-continuous-subarray-sum/Medium | Array, Hash Table, Math, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0525-contiguous-array/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0525-contiguous-array/Medium | Array, Hash Table, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0528-random-pick-with-weight/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0528-random-pick-with-weight/Medium | Array, Math, Binary Search, Prefix Sum, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0529-minesweeper/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0529-minesweeper/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0532-k-diff-pairs-in-an-array/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0532-k-diff-pairs-in-an-array/Medium | Array, Hash Table, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0535-encode-and-decode-tinyurl/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0535-encode-and-decode-tinyurl/Medium | Hash Table, String, Design, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/0537-complex-number-multiplication/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0537-complex-number-multiplication/Medium | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0538-convert-bst-to-greater-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0538-convert-bst-to-greater-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0539-minimum-time-difference/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0539-minimum-time-difference/Medium | Array, Math, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0540-single-element-in-a-sorted-array/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0540-single-element-in-a-sorted-array/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0553-optimal-division/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0553-optimal-division/Medium | Array, Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0554-brick-wall/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0554-brick-wall/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/0556-next-greater-element-iii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0556-next-greater-element-iii/Medium | Math, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0558-logical-or-of-two-binary-grids-represented-as-quad-trees/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0558-logical-or-of-two-binary-grids-represented-as-quad-trees/Medium | Divide and Conquer, Treehttps://leetcode-solutions-5zk.pages.dev/posts/0565-array-nesting/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0565-array-nesting/Medium | Array, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0567-permutation-in-string/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0567-permutation-in-string/Medium | Hash Table, Two Pointers, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0576-out-of-boundary-paths/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0576-out-of-boundary-paths/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0581-shortest-unsorted-continuous-subarray/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0581-shortest-unsorted-continuous-subarray/Medium | Array, Two Pointers, Stack, Greedy, Sorting, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0592-fraction-addition-and-subtraction/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0592-fraction-addition-and-subtraction/Medium | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0593-valid-square/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0593-valid-square/Medium | Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/0606-construct-string-from-binary-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0606-construct-string-from-binary-tree/Medium | String, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0609-find-duplicate-file-in-system/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0609-find-duplicate-file-in-system/Medium | Array, Hash Table, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0611-valid-triangle-number/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0611-valid-triangle-number/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0621-task-scheduler/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0621-task-scheduler/Medium | Array, Hash Table, Greedy, Sorting, Heap (Priority Queue), Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0622-design-circular-queue/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0622-design-circular-queue/Medium | Array, Linked List, Design, Queuehttps://leetcode-solutions-5zk.pages.dev/posts/0623-add-one-row-to-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0623-add-one-row-to-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0624-maximum-distance-in-arrays/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0624-maximum-distance-in-arrays/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0633-sum-of-square-numbers/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0633-sum-of-square-numbers/Medium | Math, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0636-exclusive-time-of-functions/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0636-exclusive-time-of-functions/Medium | Array, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0638-shopping-offers/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0638-shopping-offers/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Memoization, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/0641-design-circular-deque/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0641-design-circular-deque/Medium | Array, Linked List, Design, Queuehttps://leetcode-solutions-5zk.pages.dev/posts/0646-maximum-length-of-pair-chain/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0646-maximum-length-of-pair-chain/Medium | Array, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0647-palindromic-substrings/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0647-palindromic-substrings/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0648-replace-words/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0648-replace-words/Medium | Array, Hash Table, String, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0649-dota2-senate/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0649-dota2-senate/Medium | String, Greedy, Queuehttps://leetcode-solutions-5zk.pages.dev/posts/0650-2-keys-keyboard/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0650-2-keys-keyboard/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0652-find-duplicate-subtrees/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0652-find-duplicate-subtrees/Medium | Hash Table, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0654-maximum-binary-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0654-maximum-binary-tree/Medium | Array, Divide and Conquer, Stack, Tree, Monotonic Stack, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0655-print-binary-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0655-print-binary-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0658-find-k-closest-elements/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0658-find-k-closest-elements/Medium | Array, Two Pointers, Binary Search, Sliding Window, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0659-split-array-into-consecutive-subsequences/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0659-split-array-into-consecutive-subsequences/Medium | Array, Hash Table, Greedy, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0662-maximum-width-of-binary-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0662-maximum-width-of-binary-tree/Medium | Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0667-beautiful-arrangement-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0667-beautiful-arrangement-ii/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0669-trim-a-binary-search-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0669-trim-a-binary-search-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0670-maximum-swap/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0670-maximum-swap/Medium | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0672-bulb-switcher-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0672-bulb-switcher-ii/Medium | Math, Bit Manipulation, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0673-number-of-longest-increasing-subsequence/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0673-number-of-longest-increasing-subsequence/Medium | Array, Dynamic Programming, Binary Indexed Tree, Segment Treehttps://leetcode-solutions-5zk.pages.dev/posts/0676-implement-magic-dictionary/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0676-implement-magic-dictionary/Medium | Hash Table, String, Depth-First Search, Design, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0678-valid-parenthesis-string/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0678-valid-parenthesis-string/Medium | String, Dynamic Programming, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0684-redundant-connection/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0684-redundant-connection/Medium | Depth-First Search, Breadth-First Search, Union-Find, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0686-repeated-string-match/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0686-repeated-string-match/Medium | String, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/0687-longest-univalue-path/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0687-longest-univalue-path/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0688-knight-probability-in-chessboard/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0688-knight-probability-in-chessboard/Medium | Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0690-employee-importance/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0690-employee-importance/Medium | Array, Hash Table, Tree, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0698-partition-to-k-equal-sum-subsets/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0698-partition-to-k-equal-sum-subsets/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Memoization, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/0701-insert-into-a-binary-search-tree/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0701-insert-into-a-binary-search-tree/Medium | Tree, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0707-design-linked-list/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0707-design-linked-list/Medium | Linked List, Designhttps://leetcode-solutions-5zk.pages.dev/posts/0713-subarray-product-less-than-k/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0713-subarray-product-less-than-k/Medium | Array, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0714-best-time-to-buy-and-sell-stock-with-transaction-fee/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0714-best-time-to-buy-and-sell-stock-with-transaction-fee/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0720-longest-word-in-dictionary/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0720-longest-word-in-dictionary/Medium | Array, Hash Table, String, Trie, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0322-coin-change/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0322-coin-change/Medium | Array, Dynamic Programming, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0324-wiggle-sort-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0324-wiggle-sort-ii/Medium | Array, Divide and Conquer, Greedy, Sorting, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/0328-odd-even-linked-list/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0328-odd-even-linked-list/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0331-verify-preorder-serialization-of-a-binary-tree/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0331-verify-preorder-serialization-of-a-binary-tree/Medium | String, Stack, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0334-increasing-triplet-subsequence/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0334-increasing-triplet-subsequence/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0337-house-robber-iii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0337-house-robber-iii/Medium | Dynamic Programming, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0341-flatten-nested-list-iterator/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0341-flatten-nested-list-iterator/Medium | Stack, Tree, Depth-First Search, Design, Queue, Iteratorhttps://leetcode-solutions-5zk.pages.dev/posts/0343-integer-break/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0343-integer-break/Medium | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0347-top-k-frequent-elements/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0347-top-k-frequent-elements/Medium | Array, Hash Table, Divide and Conquer, Sorting, Heap (Priority Queue), Bucket Sort, Counting, Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/0355-design-twitter/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0355-design-twitter/Medium | Hash Table, Linked List, Design, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0357-count-numbers-with-unique-digits/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0357-count-numbers-with-unique-digits/Medium | Math, Dynamic Programming, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0365-water-and-jug-problem/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0365-water-and-jug-problem/Medium | Math, Depth-First Search, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0371-sum-of-two-integers/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0371-sum-of-two-integers/Medium | Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0372-super-pow/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0372-super-pow/Medium | Math, Divide and Conquerhttps://leetcode-solutions-5zk.pages.dev/posts/0373-find-k-pairs-with-smallest-sums/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0373-find-k-pairs-with-smallest-sums/Medium | Array, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0375-guess-number-higher-or-lower-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0375-guess-number-higher-or-lower-ii/Medium | Math, Dynamic Programming, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0376-wiggle-subsequence/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0376-wiggle-subsequence/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0377-combination-sum-iv/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0377-combination-sum-iv/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0378-kth-smallest-element-in-a-sorted-matrix/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0378-kth-smallest-element-in-a-sorted-matrix/Medium | Array, Binary Search, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0380-insert-delete-getrandom-o1/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0380-insert-delete-getrandom-o1/Medium | Array, Hash Table, Math, Design, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0382-linked-list-random-node/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0382-linked-list-random-node/Medium | Linked List, Math, Reservoir Sampling, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0384-shuffle-an-array/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0384-shuffle-an-array/Medium | Array, Math, Design, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0385-mini-parser/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0385-mini-parser/Medium | String, Stack, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0388-longest-absolute-file-path/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0388-longest-absolute-file-path/Medium | String, Stack, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0390-elimination-game/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0390-elimination-game/Medium | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0393-utf-8-validation/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0393-utf-8-validation/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0394-decode-string/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0394-decode-string/Medium | String, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0396-rotate-function/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0396-rotate-function/Medium | Array, Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0397-integer-replacement/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0397-integer-replacement/Medium | Dynamic Programming, Greedy, Bit Manipulation, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/0398-random-pick-index/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0398-random-pick-index/Medium | Hash Table, Math, Reservoir Sampling, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0399-evaluate-division/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0399-evaluate-division/Medium | Array, String, Depth-First Search, Breadth-First Search, Union-Find, Graph Theory, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/0400-nth-digit/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0400-nth-digit/Medium | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0402-remove-k-digits/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0402-remove-k-digits/Medium | String, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0413-arithmetic-slices/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0413-arithmetic-slices/Medium | Array, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0416-partition-equal-subset-sum/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0416-partition-equal-subset-sum/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0417-pacific-atlantic-water-flow/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0417-pacific-atlantic-water-flow/Medium | Array, Depth-First Search, Breadth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0421-maximum-xor-of-two-numbers-in-an-array/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0421-maximum-xor-of-two-numbers-in-an-array/Medium | Array, Hash Table, Bit Manipulation, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0423-reconstruct-original-digits-from-english/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0423-reconstruct-original-digits-from-english/Medium | Hash Table, Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0424-longest-repeating-character-replacement/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0424-longest-repeating-character-replacement/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0429-n-ary-tree-level-order-traversal/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0429-n-ary-tree-level-order-traversal/Medium | Tree, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0430-flatten-a-multilevel-doubly-linked-list/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0430-flatten-a-multilevel-doubly-linked-list/Medium | Linked List, Depth-First Search, Doubly-Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0433-minimum-genetic-mutation/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0433-minimum-genetic-mutation/Medium | Hash Table, String, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0435-non-overlapping-intervals/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0435-non-overlapping-intervals/Medium | Array, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0436-find-right-interval/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0436-find-right-interval/Medium | Array, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0437-path-sum-iii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0437-path-sum-iii/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0438-find-all-anagrams-in-a-string/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0438-find-all-anagrams-in-a-string/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0442-find-all-duplicates-in-an-array/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0442-find-all-duplicates-in-an-array/Medium | Array, Hash Table, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0443-string-compression/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0443-string-compression/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0445-add-two-numbers-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0445-add-two-numbers-ii/Medium | Linked List, Math, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0449-serialize-and-deserialize-bst/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0449-serialize-and-deserialize-bst/Medium | String, Tree, Depth-First Search, Breadth-First Search, Design, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0450-delete-node-in-a-bst/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0450-delete-node-in-a-bst/Medium | Tree, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0451-sort-characters-by-frequency/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0451-sort-characters-by-frequency/Medium | Hash Table, String, Sorting, Heap (Priority Queue), Bucket Sort, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0452-minimum-number-of-arrows-to-burst-balloons/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0452-minimum-number-of-arrows-to-burst-balloons/Medium | Array, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0453-minimum-moves-to-equal-array-elements/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0453-minimum-moves-to-equal-array-elements/Medium | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0454-4sum-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0454-4sum-ii/Medium | Array, Hash Tablehttps://leetcode-solutions-5zk.pages.dev/posts/0456-132-pattern/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0456-132-pattern/Medium | Array, Binary Search, Stack, Monotonic Stack, Ordered Sethttps://leetcode-solutions-5zk.pages.dev/posts/0457-circular-array-loop/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0457-circular-array-loop/Medium | Array, Hash Table, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0462-minimum-moves-to-equal-array-elements-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0462-minimum-moves-to-equal-array-elements-ii/Medium | Array, Math, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0464-can-i-win/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0464-can-i-win/Medium | Math, Dynamic Programming, Bit Manipulation, Memoization, Game Theory, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/0468-validate-ip-address/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0468-validate-ip-address/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0470-implement-rand10-using-rand7/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0470-implement-rand10-using-rand7/Medium | Math, Rejection Sampling, Randomized, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/0473-matchsticks-to-square/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0473-matchsticks-to-square/Medium | Array, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/0475-heaters/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0475-heaters/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0477-total-hamming-distance/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0477-total-hamming-distance/Medium | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0478-generate-random-point-in-a-circle/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0478-generate-random-point-in-a-circle/Medium | Math, Geometry, Rejection Sampling, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0102-binary-tree-level-order-traversal/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0102-binary-tree-level-order-traversal/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0103-binary-tree-zigzag-level-order-traversal/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0103-binary-tree-zigzag-level-order-traversal/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0105-construct-binary-tree-from-preorder-and-inorder-traversal/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0105-construct-binary-tree-from-preorder-and-inorder-traversal/Medium | Array, Hash Table, Divide and Conquer, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0106-construct-binary-tree-from-inorder-and-postorder-traversal/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0106-construct-binary-tree-from-inorder-and-postorder-traversal/Medium | Array, Hash Table, Divide and Conquer, Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0107-binary-tree-level-order-traversal-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0107-binary-tree-level-order-traversal-ii/Medium | Tree, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0109-convert-sorted-list-to-binary-search-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0109-convert-sorted-list-to-binary-search-tree/Medium | Linked List, Divide and Conquer, Tree, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0011-container-with-most-water/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0011-container-with-most-water/Medium | Array, Two Pointers, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0113-path-sum-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0113-path-sum-ii/Medium | Backtracking, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0114-flatten-binary-tree-to-linked-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0114-flatten-binary-tree-to-linked-list/Medium | Linked List, Stack, Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0116-populating-next-right-pointers-in-each-node/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0116-populating-next-right-pointers-in-each-node/Medium | Linked List, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0117-populating-next-right-pointers-in-each-node-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0117-populating-next-right-pointers-in-each-node-ii/Medium | Linked List, Tree, Depth-First Search, Breadth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0012-integer-to-roman/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0012-integer-to-roman/Medium | Hash Table, Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0120-triangle/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0120-triangle/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0122-best-time-to-buy-and-sell-stock-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0122-best-time-to-buy-and-sell-stock-ii/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0128-longest-consecutive-sequence/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0128-longest-consecutive-sequence/Medium | Array, Hash Table, Union-Findhttps://leetcode-solutions-5zk.pages.dev/posts/0129-sum-root-to-leaf-numbers/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0129-sum-root-to-leaf-numbers/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0130-surrounded-regions/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0130-surrounded-regions/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0133-clone-graph/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0133-clone-graph/Medium | Hash Table, Depth-First Search, Breadth-First Search, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0134-gas-station/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0134-gas-station/Medium | Array, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0137-single-number-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0137-single-number-ii/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0138-copy-list-with-random-pointer/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0138-copy-list-with-random-pointer/Medium | Hash Table, Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0139-word-break/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0139-word-break/Medium | Array, Hash Table, String, Dynamic Programming, Trie, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/0142-linked-list-cycle-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0142-linked-list-cycle-ii/Medium | Hash Table, Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0143-reorder-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0143-reorder-list/Medium | Linked List, Two Pointers, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0146-lru-cache/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0146-lru-cache/Medium | Hash Table, Linked List, Design, Doubly-Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0147-insertion-sort-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0147-insertion-sort-list/Medium | Linked List, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0148-sort-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0148-sort-list/Medium | Linked List, Two Pointers, Divide and Conquer, Sorting, Merge Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0015-3sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0015-3sum/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0150-evaluate-reverse-polish-notation/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0150-evaluate-reverse-polish-notation/Medium | Array, Math, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0151-reverse-words-in-a-string/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0151-reverse-words-in-a-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0152-maximum-product-subarray/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0152-maximum-product-subarray/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0153-find-minimum-in-rotated-sorted-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0153-find-minimum-in-rotated-sorted-array/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0155-min-stack/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0155-min-stack/Medium | Stack, Designhttps://leetcode-solutions-5zk.pages.dev/posts/0016-3sum-closest/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0016-3sum-closest/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0162-find-peak-element/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0162-find-peak-element/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0164-maximum-gap/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0164-maximum-gap/Medium | Array, Sorting, Bucket Sort, Radix Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0165-compare-version-numbers/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0165-compare-version-numbers/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0166-fraction-to-recurring-decimal/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0166-fraction-to-recurring-decimal/Medium | Hash Table, Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0167-two-sum-ii-input-array-is-sorted/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0167-two-sum-ii-input-array-is-sorted/Medium | Array, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0017-letter-combinations-of-a-phone-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0017-letter-combinations-of-a-phone-number/Medium | Hash Table, String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0172-factorial-trailing-zeroes/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0172-factorial-trailing-zeroes/Medium | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0173-binary-search-tree-iterator/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0173-binary-search-tree-iterator/Medium | Stack, Tree, Design, Binary Search Tree, Binary Tree, Iteratorhttps://leetcode-solutions-5zk.pages.dev/posts/0179-largest-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0179-largest-number/Medium | Array, String, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0018-4sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0018-4sum/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0187-repeated-dna-sequences/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0187-repeated-dna-sequences/Medium | Hash Table, String, Bit Manipulation, Sliding Window, Rolling Hash, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/0189-rotate-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0189-rotate-array/Medium | Array, Math, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0019-remove-nth-node-from-end-of-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0019-remove-nth-node-from-end-of-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0198-house-robber/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0198-house-robber/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0002-add-two-numbers/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0002-add-two-numbers/Medium | Linked List, Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0200-number-of-islands/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0200-number-of-islands/Medium | Array, Depth-First Search, Breadth-First Search, Union-Find, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0201-bitwise-and-of-numbers-range/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0201-bitwise-and-of-numbers-range/Medium | Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0204-count-primes/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0204-count-primes/Medium | Array, Math, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0207-course-schedule/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0207-course-schedule/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0208-implement-trie-prefix-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0208-implement-trie-prefix-tree/Medium | Hash Table, String, Design, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0209-minimum-size-subarray-sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0209-minimum-size-subarray-sum/Medium | Array, Binary Search, Sliding Window, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0210-course-schedule-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0210-course-schedule-ii/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0211-design-add-and-search-words-data-structure/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0211-design-add-and-search-words-data-structure/Medium | String, Depth-First Search, Design, Triehttps://leetcode-solutions-5zk.pages.dev/posts/0213-house-robber-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0213-house-robber-ii/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0215-kth-largest-element-in-an-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0215-kth-largest-element-in-an-array/Medium | Array, Divide and Conquer, Sorting, Heap (Priority Queue), Quickselecthttps://leetcode-solutions-5zk.pages.dev/posts/0216-combination-sum-iii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0216-combination-sum-iii/Medium | Array, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0022-generate-parentheses/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0022-generate-parentheses/Medium | String, Dynamic Programming, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0223-rectangle-area/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0223-rectangle-area/Medium | Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/0227-basic-calculator-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0227-basic-calculator-ii/Medium | Math, String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0229-majority-element-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0229-majority-element-ii/Medium | Array, Hash Table, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0230-kth-smallest-element-in-a-bst/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0230-kth-smallest-element-in-a-bst/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0235-lowest-common-ancestor-of-a-binary-search-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0235-lowest-common-ancestor-of-a-binary-search-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0236-lowest-common-ancestor-of-a-binary-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0236-lowest-common-ancestor-of-a-binary-tree/Medium | Tree, Depth-First Search, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0237-delete-node-in-a-linked-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0237-delete-node-in-a-linked-list/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0238-product-of-array-except-self/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0238-product-of-array-except-self/Medium | Array, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0024-swap-nodes-in-pairs/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0024-swap-nodes-in-pairs/Medium | Linked List, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0240-search-a-2d-matrix-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0240-search-a-2d-matrix-ii/Medium | Array, Binary Search, Divide and Conquer, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0241-different-ways-to-add-parentheses/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0241-different-ways-to-add-parentheses/Medium | Math, String, Dynamic Programming, Recursion, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/0260-single-number-iii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0260-single-number-iii/Medium | Array, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0264-ugly-number-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0264-ugly-number-ii/Medium | Hash Table, Math, Dynamic Programming, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0274-h-index/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0274-h-index/Medium | Array, Sorting, Counting Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0275-h-index-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0275-h-index-ii/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0279-perfect-squares/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0279-perfect-squares/Medium | Math, Dynamic Programming, Breadth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0284-peeking-iterator/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0284-peeking-iterator/Medium | Array, Design, Iteratorhttps://leetcode-solutions-5zk.pages.dev/posts/0287-find-the-duplicate-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0287-find-the-duplicate-number/Medium | Array, Two Pointers, Binary Search, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0029-divide-two-integers/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0029-divide-two-integers/Medium | Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0299-bulls-and-cows/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0299-bulls-and-cows/Medium | Hash Table, String, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0003-longest-substring-without-repeating-characters/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0003-longest-substring-without-repeating-characters/Medium | Hash Table, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0300-longest-increasing-subsequence/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0300-longest-increasing-subsequence/Medium | Array, Binary Search, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0304-range-sum-query-2d-immutable/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0304-range-sum-query-2d-immutable/Medium | Array, Design, Matrix, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/0307-range-sum-query-mutable/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0307-range-sum-query-mutable/Medium | Array, Divide and Conquer, Design, Binary Indexed Tree, Segment Treehttps://leetcode-solutions-5zk.pages.dev/posts/0309-best-time-to-buy-and-sell-stock-with-cooldown/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0309-best-time-to-buy-and-sell-stock-with-cooldown/Medium | Array, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0031-next-permutation/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0031-next-permutation/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0310-minimum-height-trees/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0310-minimum-height-trees/Medium | Depth-First Search, Breadth-First Search, Graph Theory, Topological Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0316-remove-duplicate-letters/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0316-remove-duplicate-letters/Medium | String, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0319-bulb-switcher/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0319-bulb-switcher/Medium | Math, Brainteaserhttps://leetcode-solutions-5zk.pages.dev/posts/0033-search-in-rotated-sorted-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0033-search-in-rotated-sorted-array/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0034-find-first-and-last-position-of-element-in-sorted-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0034-find-first-and-last-position-of-element-in-sorted-array/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0039-combination-sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0039-combination-sum/Medium | Array, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0040-combination-sum-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0040-combination-sum-ii/Medium | Array, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0043-multiply-strings/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0043-multiply-strings/Medium | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0045-jump-game-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0045-jump-game-ii/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0046-permutations/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0046-permutations/Medium | Array, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0047-permutations-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0047-permutations-ii/Medium | Array, Backtracking, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0048-rotate-image/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0048-rotate-image/Medium | Array, Math, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0049-group-anagrams/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0049-group-anagrams/Medium | Array, Hash Table, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0005-longest-palindromic-substring/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0005-longest-palindromic-substring/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0050-powx-n/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0050-powx-n/Medium | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0053-maximum-subarray/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0053-maximum-subarray/Medium | Array, Divide and Conquer, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0054-spiral-matrix/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0054-spiral-matrix/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0055-jump-game/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0055-jump-game/Medium | Array, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0056-merge-intervals/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0056-merge-intervals/Medium | Array, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0057-insert-interval/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0057-insert-interval/Medium | Arrayhttps://leetcode-solutions-5zk.pages.dev/posts/0059-spiral-matrix-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0059-spiral-matrix-ii/Medium | Array, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0006-zigzag-conversion/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0006-zigzag-conversion/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0061-rotate-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0061-rotate-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0062-unique-paths/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0062-unique-paths/Medium | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/0063-unique-paths-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0063-unique-paths-ii/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0064-minimum-path-sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0064-minimum-path-sum/Medium | Array, Dynamic Programming, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0071-simplify-path/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0071-simplify-path/Medium | String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0073-set-matrix-zeroes/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0073-set-matrix-zeroes/Medium | Array, Hash Table, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0074-search-a-2d-matrix/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0074-search-a-2d-matrix/Medium | Array, Binary Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0075-sort-colors/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0075-sort-colors/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0077-combinations/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0077-combinations/Medium | Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0078-subsets/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0078-subsets/Medium | Array, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0079-word-search/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0079-word-search/Medium | Array, String, Backtracking, Depth-First Search, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0008-string-to-integer-atoi/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0008-string-to-integer-atoi/Medium | Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0080-remove-duplicates-from-sorted-array-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0080-remove-duplicates-from-sorted-array-ii/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0081-search-in-rotated-sorted-array-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0081-search-in-rotated-sorted-array-ii/Medium | Array, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0082-remove-duplicates-from-sorted-list-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0082-remove-duplicates-from-sorted-list-ii/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0086-partition-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0086-partition-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0089-gray-code/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0089-gray-code/Medium | Math, Backtracking, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0091-decode-ways/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0091-decode-ways/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0092-reverse-linked-list-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0092-reverse-linked-list-ii/Medium | Linked Listhttps://leetcode-solutions-5zk.pages.dev/posts/0093-restore-ip-addresses/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0093-restore-ip-addresses/Medium | String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0095-unique-binary-search-trees-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0095-unique-binary-search-trees-ii/Medium | Dynamic Programming, Backtracking, Tree, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0096-unique-binary-search-trees/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0096-unique-binary-search-trees/Medium | Math, Dynamic Programming, Tree, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0097-interleaving-string/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0097-interleaving-string/Medium | String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0098-validate-binary-search-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0098-validate-binary-search-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0099-recover-binary-search-tree/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0099-recover-binary-search-tree/Medium | Tree, Depth-First Search, Binary Search Tree, Binary Tree