https://leetcode-solutions-5zk.pages.dev/tags/math/Recent content in Math on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://leetcode-solutions-5zk.pages.dev/posts/1728-cat-and-mouse-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1728-cat-and-mouse-ii/Hard | Array, Math, Dynamic Programming, Graph Theory, Topological Sort, Memoization, Matrix, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1896-minimum-cost-to-change-the-final-value-of-expression/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1896-minimum-cost-to-change-the-final-value-of-expression/Hard | Math, String, Dynamic Programming, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3348-smallest-divisible-digit-product-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3348-smallest-divisible-digit-product-ii/Hard | Math, String, Backtracking, Greedy, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0770-basic-calculator-iv/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0770-basic-calculator-iv/Hard | Hash Table, Math, String, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/1776-car-fleet-ii/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1776-car-fleet-ii/Hard | Array, Math, Stack, Heap (Priority Queue), Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1806-minimum-number-of-operations-to-reinitialize-a-permutation/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1806-minimum-number-of-operations-to-reinitialize-a-permutation/Medium | Array, Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1819-number-of-different-subsequences-gcds/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1819-number-of-different-subsequences-gcds/Hard | Array, Math, Counting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1925-count-square-sum-triples/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1925-count-square-sum-triples/Easy | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1994-the-number-of-good-subsets/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1994-the-number-of-good-subsets/Hard | Array, Hash Table, Math, Dynamic Programming, Bit Manipulation, Counting, Number Theory, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2019-the-score-of-students-solving-math-expression/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2019-the-score-of-students-solving-math-expression/Hard | Array, Hash Table, Math, String, Dynamic Programming, Stack, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/2125-number-of-laser-beams-in-a-bank/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2125-number-of-laser-beams-in-a-bank/Medium | Array, Math, String, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2338-count-the-number-of-ideal-arrays/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2338-count-the-number-of-ideal-arrays/Hard | Math, Dynamic Programming, Combinatorics, Number Theoryhttps://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/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/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/1175-prime-arrangements/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1175-prime-arrangements/Easy | Mathhttps://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/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/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/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/1916-count-ways-to-build-rooms-in-an-ant-colony/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1916-count-ways-to-build-rooms-in-an-ant-colony/Hard | Array, Math, Dynamic Programming, Tree, Depth-First Search, Graph Theory, Topological Sort, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2769-find-the-maximum-achievable-number/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2769-find-the-maximum-achievable-number/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2790-maximum-number-of-groups-with-increasing-length/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2790-maximum-number-of-groups-with-increasing-length/Hard | Array, Math, Binary Search, Greedy, Sortinghttps://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/0335-self-crossing/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0335-self-crossing/Hard | Array, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/3574-maximize-subarray-gcd-score/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3574-maximize-subarray-gcd-score/Hard | Array, Math, Enumeration, Number Theoryhttps://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/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/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/0483-smallest-good-base/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0483-smallest-good-base/Hard | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0587-erect-the-fence/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0587-erect-the-fence/Hard | Array, Math, Geometryhttps://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/0728-self-dividing-numbers/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0728-self-dividing-numbers/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0843-guess-the-word/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0843-guess-the-word/Hard | Array, Math, String, Interactive, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0913-cat-and-mouse/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0913-cat-and-mouse/Hard | Math, Dynamic Programming, Graph Theory, Topological Sort, Memoization, Game Theoryhttps://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/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/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/0996-number-of-squareful-arrays/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0996-number-of-squareful-arrays/Hard | Array, Hash Table, Math, Dynamic Programming, Backtracking, Bit Manipulation, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3222-find-the-winning-player-in-coin-game/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3222-find-the-winning-player-in-coin-game/Easy | Math, Simulation, Game Theoryhttps://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/3232-find-if-digit-game-can-be-won/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3232-find-if-digit-game-can-be-won/Easy | Array, Mathhttps://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/3235-check-if-the-rectangle-corner-is-reachable/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3235-check-if-the-rectangle-corner-is-reachable/Hard | Array, Math, Depth-First Search, Breadth-First Search, Union-Find, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/3250-find-the-count-of-monotonic-pairs-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3250-find-the-count-of-monotonic-pairs-i/Hard | Array, Math, Dynamic Programming, Combinatorics, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3251-find-the-count-of-monotonic-pairs-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3251-find-the-count-of-monotonic-pairs-ii/Hard | Array, Math, Dynamic Programming, Combinatorics, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3260-find-the-largest-palindrome-divisible-by-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3260-find-the-largest-palindrome-divisible-by-k/Hard | Math, String, Dynamic Programming, Greedy, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3264-final-array-state-after-k-multiplication-operations-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3264-final-array-state-after-k-multiplication-operations-i/Easy | Array, Math, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3270-find-the-key-of-the-numbers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3270-find-the-key-of-the-numbers/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3272-find-the-count-of-good-integers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3272-find-the-count-of-good-integers/Hard | Hash Table, Math, Combinatorics, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3274-check-if-two-chessboard-squares-have-the-same-color/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3274-check-if-two-chessboard-squares-have-the-same-color/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3280-convert-date-to-binary/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3280-convert-date-to-binary/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3283-maximum-number-of-moves-to-kill-all-pawns/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3283-maximum-number-of-moves-to-kill-all-pawns/Hard | Array, Math, Bit Manipulation, Breadth-First Search, Game Theory, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3289-the-two-sneaky-numbers-of-digitville/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3289-the-two-sneaky-numbers-of-digitville/Easy | Array, Hash Table, Mathhttps://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/3300-minimum-element-after-replacement-with-digit-sum/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3300-minimum-element-after-replacement-with-digit-sum/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3304-find-the-k-th-character-in-string-game-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3304-find-the-k-th-character-in-string-game-i/Easy | Math, Bit Manipulation, Recursion, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3307-find-the-k-th-character-in-string-game-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3307-find-the-k-th-character-in-string-game-ii/Hard | Math, Bit Manipulation, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/3312-sorted-gcd-pair-queries/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3312-sorted-gcd-pair-queries/Hard | Array, Hash Table, Math, Binary Search, Combinatorics, Counting, Number Theory, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3317-find-the-number-of-possible-ways-for-an-event/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3317-find-the-number-of-possible-ways-for-an-event/Hard | Math, Dynamic Programming, Combinatoricshttps://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/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/3336-find-the-number-of-subsequences-with-equal-gcd/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3336-find-the-number-of-subsequences-with-equal-gcd/Hard | Array, Math, Dynamic Programming, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3337-total-characters-in-string-after-transformations-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3337-total-characters-in-string-after-transformations-ii/Hard | Hash Table, Math, String, Dynamic Programming, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3343-count-number-of-balanced-permutations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3343-count-number-of-balanced-permutations/Hard | Math, String, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3345-smallest-divisible-digit-product-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3345-smallest-divisible-digit-product-i/Easy | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3352-count-k-reducible-numbers-less-than-n/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3352-count-k-reducible-numbers-less-than-n/Hard | Math, String, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3360-stone-removal-game/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3360-stone-removal-game/Easy | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3370-smallest-number-with-all-set-bits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3370-smallest-number-with-all-set-bits/Easy | Math, Bit Manipulationhttps://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/3378-count-connected-components-in-lcm-graph/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3378-count-connected-components-in-lcm-graph/Hard | Array, Hash Table, Math, Union-Find, Number Theoryhttps://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/3382-maximum-area-rectangle-with-point-constraints-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3382-maximum-area-rectangle-with-point-constraints-ii/Hard | Array, Math, Binary Indexed Tree, Segment Tree, Geometry, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3395-subsequences-with-a-unique-middle-mode-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3395-subsequences-with-a-unique-middle-mode-i/Hard | Array, Hash Table, Math, Combinatoricshttps://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/3405-count-the-number-of-arrays-with-k-matching-adjacent-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3405-count-the-number-of-arrays-with-k-matching-adjacent-elements/Hard | Math, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3411-maximum-subarray-with-equal-products/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3411-maximum-subarray-with-equal-products/Easy | Array, Math, Sliding Window, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3426-manhattan-distances-of-all-arrangements-of-pieces/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3426-manhattan-distances-of-all-arrangements-of-pieces/Hard | Math, Combinatoricshttps://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/3430-maximum-and-minimum-sums-of-at-most-size-k-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3430-maximum-and-minimum-sums-of-at-most-size-k-subarrays/Hard | Array, Math, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/3432-count-partitions-with-even-sum-difference/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3432-count-partitions-with-even-sum-difference/Easy | Array, Math, Prefix Sumhttps://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/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/3444-minimum-increments-for-target-multiples-in-an-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3444-minimum-increments-for-target-multiples-in-an-array/Hard | Array, Math, Dynamic Programming, Bit Manipulation, Number Theory, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3461-check-if-digits-are-equal-in-string-after-operations-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3461-check-if-digits-are-equal-in-string-after-operations-i/Easy | Math, String, Simulation, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3463-check-if-digits-are-equal-in-string-after-operations-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3463-check-if-digits-are-equal-in-string-after-operations-ii/Hard | Math, String, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3464-maximize-the-distance-between-points-on-a-square/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3464-maximize-the-distance-between-points-on-a-square/Hard | Array, Math, Binary Search, Geometry, Sortinghttps://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/3470-permutations-iv/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3470-permutations-iv/Hard | Array, Math, Combinatorics, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3492-maximum-containers-on-a-ship/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3492-maximum-containers-on-a-ship/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3495-minimum-operations-to-make-array-elements-zero/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3495-minimum-operations-to-make-array-elements-zero/Hard | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3505-minimum-operations-to-make-elements-within-k-subarrays-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3505-minimum-operations-to-make-elements-within-k-subarrays-equal/Hard | Array, Hash Table, Math, Dynamic Programming, Sliding Window, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/3512-minimum-operations-to-make-array-sum-divisible-by-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3512-minimum-operations-to-make-array-sum-divisible-by-k/Easy | Array, Mathhttps://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/3516-find-closest-person/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3516-find-closest-person/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3518-smallest-palindromic-rearrangement-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3518-smallest-palindromic-rearrangement-ii/Hard | Hash Table, Math, String, Combinatorics, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3519-count-numbers-with-non-decreasing-digits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3519-count-numbers-with-non-decreasing-digits/Hard | Math, String, Dynamic Programminghttps://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/3525-find-x-value-of-array-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3525-find-x-value-of-array-ii/Hard | Array, Math, Segment Treehttps://leetcode-solutions-5zk.pages.dev/posts/3536-maximum-product-of-two-digits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3536-maximum-product-of-two-digits/Easy | Math, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3539-find-sum-of-array-product-of-magical-sequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3539-find-sum-of-array-product-of-magical-sequences/Hard | Array, Math, Dynamic Programming, Bit Manipulation, Combinatorics, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/3547-maximum-sum-of-edge-values-in-a-graph/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3547-maximum-sum-of-edge-values-in-a-graph/Hard | Math, Greedy, Graph Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3550-smallest-index-with-digit-sum-equal-to-index/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3550-smallest-index-with-digit-sum-equal-to-index/Easy | Array, Mathhttps://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/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/3559-number-of-ways-to-assign-edge-weights-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3559-number-of-ways-to-assign-edge-weights-ii/Hard | Array, Math, Dynamic Programming, Bit Manipulation, Tree, Depth-First Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3560-find-minimum-log-transportation-cost/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3560-find-minimum-log-transportation-cost/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3569-maximize-count-of-distinct-primes-after-split/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3569-maximize-count-of-distinct-primes-after-split/Hard | Array, Math, Segment Tree, Number Theoryhttps://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/3591-check-if-any-element-has-prime-frequency/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3591-check-if-any-element-has-prime-frequency/Easy | Array, Hash Table, Math, Counting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3602-hexadecimal-and-hexatrigesimal-conversion/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3602-hexadecimal-and-hexatrigesimal-conversion/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3605-minimum-stability-factor-of-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3605-minimum-stability-factor-of-array/Hard | Array, Math, Binary Search, Greedy, Segment Tree, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3609-minimum-moves-to-reach-target-in-grid/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3609-minimum-moves-to-reach-target-in-grid/Hard | Mathhttps://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/3621-number-of-integers-with-popcount-depth-equal-to-k-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3621-number-of-integers-with-popcount-depth-equal-to-k-i/Hard | Math, Dynamic Programming, Bit Manipulation, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3622-check-divisibility-by-digit-sum-and-product/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3622-check-divisibility-by-digit-sum-and-product/Easy | Mathhttps://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/3625-count-number-of-trapezoids-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3625-count-number-of-trapezoids-ii/Hard | 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/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/3630-partition-array-for-maximum-xor-and-and/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3630-partition-array-for-maximum-xor-and-and/Hard | Array, Math, Greedy, Bit Manipulation, Enumerationhttps://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/3658-gcd-of-odd-and-even-sums/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3658-gcd-of-odd-and-even-sums/Easy | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3663-find-the-least-frequent-digit/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3663-find-the-least-frequent-digit/Easy | Array, Hash Table, Math, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3666-minimum-operations-to-equalize-binary-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3666-minimum-operations-to-equalize-binary-string/Hard | Math, String, Breadth-First Search, Union-Find, Ordered Sethttps://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/3671-sum-of-beautiful-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3671-sum-of-beautiful-subsequences/Hard | Array, Math, Binary Indexed Tree, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3677-count-binary-palindromic-numbers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3677-count-binary-palindromic-numbers/Hard | Math, Bit Manipulationhttps://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/3681-maximum-xor-of-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3681-maximum-xor-of-subsequences/Hard | Array, Math, Greedy, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3697-compute-decimal-representation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3697-compute-decimal-representation/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/3700-number-of-zigzag-arrays-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3700-number-of-zigzag-arrays-ii/Hard | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3704-count-no-zero-pairs-that-sum-to-n/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3704-count-no-zero-pairs-that-sum-to-n/Hard | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3715-sum-of-perfect-square-ancestors/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3715-sum-of-perfect-square-ancestors/Hard | Array, Hash Table, Math, Tree, Depth-First Search, Counting, Number Theoryhttps://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/3725-count-ways-to-choose-coprime-integers-from-rows/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3725-count-ways-to-choose-coprime-integers-from-rows/Hard | Array, Math, Dynamic Programming, Matrix, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3726-remove-zeros-in-decimal-representation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3726-remove-zeros-in-decimal-representation/Easy | Math, Simulationhttps://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/3736-minimum-moves-to-equal-array-elements-iii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3736-minimum-moves-to-equal-array-elements-iii/Easy | Array, Mathhttps://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/3750-minimum-number-of-flips-to-reverse-binary-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3750-minimum-number-of-flips-to-reverse-binary-string/Easy | Math, Two Pointers, String, Bit Manipulationhttps://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/3753-total-waviness-of-numbers-in-range-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3753-total-waviness-of-numbers-in-range-ii/Hard | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3754-concatenate-non-zero-digits-and-multiply-by-sum-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3754-concatenate-non-zero-digits-and-multiply-by-sum-i/Easy | Mathhttps://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/3757-number-of-effective-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3757-number-of-effective-subsequences/Hard | Array, Math, Dynamic Programming, Bit Manipulation, Combinatoricshttps://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/3762-minimum-operations-to-equalize-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3762-minimum-operations-to-equalize-subarrays/Hard | Array, Math, Binary Search, Segment Treehttps://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/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/3782-last-remaining-integer-after-alternating-deletion-operations/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3782-last-remaining-integer-after-alternating-deletion-operations/Hard | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/3783-mirror-distance-of-an-integer/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3783-mirror-distance-of-an-integer/Easy | Mathhttps://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/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/3821-find-nth-smallest-integer-with-k-one-bits/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3821-find-nth-smallest-integer-with-k-one-bits/Hard | Math, Bit Manipulation, Combinatoricshttps://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/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/3850-count-sequences-to-k/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3850-count-sequences-to-k/Hard | Array, Math, Dynamic Programming, Memoization, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/3855-sum-of-k-digit-numbers-in-a-range/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3855-sum-of-k-digit-numbers-in-a-range/Hard | Math, Divide and Conquer, Combinatorics, Number Theoryhttps://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/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/3869-count-fancy-numbers-in-a-range/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3869-count-fancy-numbers-in-a-range/Hard | Math, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3870-count-commas-in-range/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3870-count-commas-in-range/Easy | Mathhttps://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/3875-construct-uniform-parity-array-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3875-construct-uniform-parity-array-i/Easy | Array, Mathhttps://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/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/3886-sum-of-sortable-integers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3886-sum-of-sortable-integers/Hard | Array, Math, Sorting, Enumerationhttps://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/2963-count-the-number-of-good-partitions/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2963-count-the-number-of-good-partitions/Hard | Array, Hash Table, Math, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2965-find-missing-and-repeated-values/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2965-find-missing-and-repeated-values/Easy | Array, Hash Table, Math, Matrixhttps://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/2999-count-the-number-of-powerful-integers/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2999-count-the-number-of-powerful-integers/Hard | Math, String, Dynamic Programminghttps://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/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/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/3014-minimum-number-of-pushes-to-type-word-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3014-minimum-number-of-pushes-to-type-word-i/Easy | Math, String, Greedyhttps://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/3024-type-of-triangle/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3024-type-of-triangle/Easy | Array, Math, Sortinghttps://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/3027-find-the-number-of-ways-to-place-people-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3027-find-the-number-of-ways-to-place-people-ii/Hard | Array, Math, Geometry, Sorting, Enumerationhttps://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/3079-find-the-sum-of-encrypted-integers/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3079-find-the-sum-of-encrypted-integers/Easy | Array, Mathhttps://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/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/3099-harshad-number/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3099-harshad-number/Easy | Mathhttps://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/3102-minimize-manhattan-distances/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3102-minimize-manhattan-distances/Hard | Array, Math, Geometry, Sorting, Ordered Sethttps://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/3116-kth-smallest-amount-with-single-denomination-combination/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3116-kth-smallest-amount-with-single-denomination-combination/Hard | Array, Math, Binary Search, Bit Manipulation, Combinatorics, Number Theoryhttps://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/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/3154-find-number-of-ways-to-reach-the-k-th-stair/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3154-find-number-of-ways-to-reach-the-k-th-stair/Hard | Math, Dynamic Programming, Bit Manipulation, Memoization, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/3178-find-the-child-who-has-the-ball-after-k-seconds/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3178-find-the-child-who-has-the-ball-after-k-seconds/Easy | Math, Simulationhttps://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/3190-find-minimum-operations-to-make-all-elements-divisible-by-three/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3190-find-minimum-operations-to-make-all-elements-divisible-by-three/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2651-calculate-delayed-arrival-time/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2651-calculate-delayed-arrival-time/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2652-sum-multiples/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2652-sum-multiples/Easy | Mathhttps://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/2681-power-of-heroes/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2681-power-of-heroes/Hard | Array, Math, Dynamic Programming, Sorting, Prefix Sumhttps://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/2709-greatest-common-divisor-traversal/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2709-greatest-common-divisor-traversal/Hard | Array, Math, Union-Find, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2719-count-of-integers/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2719-count-of-integers/Hard | Math, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2729-check-if-the-number-is-fascinating/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2729-check-if-the-number-is-fascinating/Easy | Hash Table, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2739-total-distance-traveled/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2739-total-distance-traveled/Easy | Math, Simulationhttps://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/2748-number-of-beautiful-pairs/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2748-number-of-beautiful-pairs/Easy | Array, Hash Table, Math, Counting, Number Theoryhttps://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/2806-account-balance-after-rounded-purchase/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2806-account-balance-after-rounded-purchase/Easy | Mathhttps://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/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/2818-apply-operations-to-maximize-score/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2818-apply-operations-to-maximize-score/Hard | Array, Math, Stack, Greedy, Sorting, Monotonic Stack, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2827-number-of-beautiful-integers-in-the-range/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2827-number-of-beautiful-integers-in-the-range/Hard | Math, 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/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/2842-count-k-subsequences-of-a-string-with-maximum-beauty/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2842-count-k-subsequences-of-a-string-with-maximum-beauty/Hard | Hash Table, Math, String, Greedy, Sorting, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/2843-count-symmetric-integers/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2843-count-symmetric-integers/Easy | Math, Enumerationhttps://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/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/2851-string-transformation/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2851-string-transformation/Hard | Math, String, Dynamic Programming, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/2862-maximum-element-sum-of-a-complete-subset-of-indices/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2862-maximum-element-sum-of-a-complete-subset-of-indices/Hard | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2864-maximum-odd-binary-number/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2864-maximum-odd-binary-number/Easy | Math, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2867-count-valid-paths-in-a-tree/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2867-count-valid-paths-in-a-tree/Hard | Math, Dynamic Programming, Tree, Depth-First Search, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2894-divisible-and-non-divisible-sums-difference/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2894-divisible-and-non-divisible-sums-difference/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2928-distribute-candies-among-children-i/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2928-distribute-candies-among-children-i/Easy | Math, Combinatorics, Enumerationhttps://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/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/2946-matrix-similarity-after-cyclic-shifts/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2946-matrix-similarity-after-cyclic-shifts/Easy | Array, Math, Matrix, Simulationhttps://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/2949-count-beautiful-substrings-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2949-count-beautiful-substrings-ii/Hard | Hash Table, Math, String, Number Theory, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2954-count-the-number-of-infection-sequences/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2954-count-the-number-of-infection-sequences/Hard | Array, Math, Combinatoricshttps://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/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/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/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/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/2081-sum-of-k-mirror-numbers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2081-sum-of-k-mirror-numbers/Hard | Math, Enumerationhttps://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/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/2117-abbreviating-the-product-of-a-range/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2117-abbreviating-the-product-of-a-range/Hard | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2119-a-number-after-a-double-reversal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2119-a-number-after-a-double-reversal/Easy | Mathhttps://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/2147-number-of-ways-to-divide-a-long-corridor/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2147-number-of-ways-to-divide-a-long-corridor/Hard | Math, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2160-minimum-sum-of-four-digit-number-after-splitting-digits/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2160-minimum-sum-of-four-digit-number-after-splitting-digits/Easy | Math, Greedy, Sortinghttps://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/2169-count-operations-to-obtain-zero/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2169-count-operations-to-obtain-zero/Easy | Math, Simulationhttps://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/2180-count-integers-with-even-digit-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2180-count-integers-with-even-digit-sum/Easy | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2183-count-array-pairs-divisible-by-k/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2183-count-array-pairs-divisible-by-k/Hard | Array, Hash Table, Math, Counting, Number Theoryhttps://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/2197-replace-non-coprime-numbers-in-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2197-replace-non-coprime-numbers-in-array/Hard | Array, Math, Stack, Number Theoryhttps://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/2235-add-two-integers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2235-add-two-integers/Easy | Mathhttps://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/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/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/2269-find-the-k-beauty-of-a-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2269-find-the-k-beauty-of-a-number/Easy | Math, String, Sliding Windowhttps://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/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/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/2344-minimum-deletions-to-make-array-divisible/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2344-minimum-deletions-to-make-array-divisible/Hard | Array, Math, Sorting, Heap (Priority Queue), Number Theoryhttps://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/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/2366-minimum-replacements-to-sort-the-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2366-minimum-replacements-to-sort-the-array/Hard | Array, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2376-count-special-integers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2376-count-special-integers/Hard | Math, Dynamic Programminghttps://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/2409-count-days-spent-together/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2409-count-days-spent-together/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2413-smallest-even-multiple/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2413-smallest-even-multiple/Easy | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2427-number-of-common-factors/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2427-number-of-common-factors/Easy | Math, Enumeration, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2440-create-components-with-same-value/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2440-create-components-with-same-value/Hard | Array, Math, Tree, Depth-First Search, Enumerationhttps://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/2455-average-value-of-even-numbers-that-are-divisible-by-three/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2455-average-value-of-even-numbers-that-are-divisible-by-three/Easy | Array, Mathhttps://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/2469-convert-the-temperature/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2469-convert-the-temperature/Easy | Mathhttps://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/2481-minimum-cuts-to-divide-a-circle/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2481-minimum-cuts-to-divide-a-circle/Easy | Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/2485-find-the-pivot-integer/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2485-find-the-pivot-integer/Easy | Math, Prefix Sumhttps://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/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/2514-count-anagrams/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2514-count-anagrams/Hard | Hash Table, Math, String, Combinatorics, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2520-count-the-digits-that-divide-a-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2520-count-the-digits-that-divide-a-number/Easy | Mathhttps://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/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/2525-categorize-box-according-to-criteria/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2525-categorize-box-according-to-criteria/Easy | Mathhttps://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/2535-difference-between-element-sum-and-digit-sum-of-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2535-difference-between-element-sum-and-digit-sum-of-an-array/Easy | Array, Mathhttps://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/2543-check-if-point-is-reachable/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2543-check-if-point-is-reachable/Hard | Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2544-alternating-digit-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2544-alternating-digit-sum/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/2549-count-distinct-numbers-on-board/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2549-count-distinct-numbers-on-board/Easy | Array, Hash Table, Math, Simulationhttps://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/2566-maximum-difference-by-remapping-a-digit/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2566-maximum-difference-by-remapping-a-digit/Easy | Math, Greedyhttps://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/2578-split-with-minimum-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2578-split-with-minimum-sum/Easy | Math, 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/2582-pass-the-pillow/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2582-pass-the-pillow/Easy | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2584-split-the-array-to-make-coprime-products/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2584-split-the-array-to-make-coprime-products/Hard | Array, Hash Table, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/2591-distribute-money-to-maximum-children/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2591-distribute-money-to-maximum-children/Easy | Math, Greedyhttps://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/2600-k-items-with-the-maximum-sum/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2600-k-items-with-the-maximum-sum/Easy | 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/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/2614-prime-in-diagonal/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2614-prime-in-diagonal/Easy | Array, Math, Matrix, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1281-subtract-the-product-and-sum-of-digits-of-an-integer/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1281-subtract-the-product-and-sum-of-digits-of-an-integer/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1290-convert-binary-number-in-a-linked-list-to-integer/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1290-convert-binary-number-in-a-linked-list-to-integer/Easy | Linked List, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1295-find-numbers-with-even-number-of-digits/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1295-find-numbers-with-even-number-of-digits/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1304-find-n-unique-integers-sum-up-to-zero/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1304-find-n-unique-integers-sum-up-to-zero/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1307-verbal-arithmetic-puzzle/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1307-verbal-arithmetic-puzzle/Hard | Array, Math, String, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/1317-convert-integer-to-the-sum-of-two-no-zero-integers/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1317-convert-integer-to-the-sum-of-two-no-zero-integers/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1323-maximum-69-number/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1323-maximum-69-number/Easy | Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1330-reverse-subarray-to-maximize-array-value/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1330-reverse-subarray-to-maximize-array-value/Hard | Array, Math, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1342-number-of-steps-to-reduce-a-number-to-zero/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1342-number-of-steps-to-reduce-a-number-to-zero/Easy | Math, Bit Manipulationhttps://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/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/1359-count-all-valid-pickup-and-delivery-options/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1359-count-all-valid-pickup-and-delivery-options/Hard | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/1360-number-of-days-between-two-dates/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1360-number-of-days-between-two-dates/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1363-largest-multiple-of-three/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1363-largest-multiple-of-three/Hard | Array, Math, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1399-count-largest-group/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1399-count-largest-group/Easy | Hash Table, Math, 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/1406-stone-game-iii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1406-stone-game-iii/Hard | Array, Math, Dynamic Programming, Game Theoryhttps://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/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/1453-maximum-number-of-darts-inside-of-a-circular-dartboard/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1453-maximum-number-of-darts-inside-of-a-circular-dartboard/Hard | Array, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/1467-probability-of-a-two-boxes-having-the-same-number-of-distinct-balls/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1467-probability-of-a-two-boxes-having-the-same-number-of-distinct-balls/Hard | Array, Math, Dynamic Programming, Backtracking, Combinatorics, Probability and Statisticshttps://leetcode-solutions-5zk.pages.dev/posts/1478-allocate-mailboxes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1478-allocate-mailboxes/Hard | Array, Math, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1486-xor-operation-in-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1486-xor-operation-in-an-array/Easy | Math, Bit Manipulationhttps://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/1510-stone-game-iv/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1510-stone-game-iv/Hard | Math, Dynamic Programming, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1512-number-of-good-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1512-number-of-good-pairs/Easy | Array, Hash Table, Math, Countinghttps://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/1515-best-position-for-a-service-centre/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1515-best-position-for-a-service-centre/Hard | Array, Math, Geometry, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/1518-water-bottles/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1518-water-bottles/Easy | Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1523-count-odd-numbers-in-an-interval-range/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1523-count-odd-numbers-in-an-interval-range/Easy | Mathhttps://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/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/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/1563-stone-game-v/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1563-stone-game-v/Hard | Array, Math, Dynamic Programming, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1569-number-of-ways-to-reorder-array-to-get-same-bst/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1569-number-of-ways-to-reorder-array-to-get-same-bst/Hard | Array, Math, Divide and Conquer, Dynamic Programming, Tree, Union-Find, Binary Search Tree, Memoization, Combinatorics, Binary Treehttps://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/1588-sum-of-all-odd-length-subarrays/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1588-sum-of-all-odd-length-subarrays/Easy | Array, Math, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1610-maximum-number-of-visible-points/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1610-maximum-number-of-visible-points/Hard | Array, Math, Geometry, Sliding Window, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1611-minimum-one-bit-operations-to-make-integers-zero/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1611-minimum-one-bit-operations-to-make-integers-zero/Hard | Math, Dynamic Programming, Bit Manipulation, Recursion, Memoizationhttps://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/1622-fancy-sequence/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1622-fancy-sequence/Hard | Math, Design, Segment Tree, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1627-graph-connectivity-with-threshold/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1627-graph-connectivity-with-threshold/Hard | Array, Math, Union-Find, Number Theoryhttps://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/1643-kth-smallest-instructions/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1643-kth-smallest-instructions/Hard | Array, Math, Dynamic Programming, Combinatoricshttps://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/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/1688-count-of-matches-in-tournament/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1688-count-of-matches-in-tournament/Easy | Math, Simulationhttps://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/1716-calculate-money-in-leetcode-bank/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1716-calculate-money-in-leetcode-bank/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1735-count-ways-to-make-array-with-product/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1735-count-ways-to-make-array-with-product/Hard | Array, Math, Dynamic Programming, Combinatorics, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1739-building-boxes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1739-building-boxes/Hard | Math, Binary Search, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1742-maximum-number-of-balls-in-a-box/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1742-maximum-number-of-balls-in-a-box/Easy | Hash Table, Math, Countinghttps://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/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/1766-tree-of-coprimes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1766-tree-of-coprimes/Hard | Array, Math, Tree, Depth-First Search, Number Theoryhttps://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/1799-maximize-score-after-n-operations/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1799-maximize-score-after-n-operations/Hard | Array, Math, Dynamic Programming, Backtracking, Bit Manipulation, Number Theory, Bitmaskhttps://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/1808-maximize-number-of-nice-divisors/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1808-maximize-number-of-nice-divisors/Hard | Math, Recursion, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1812-determine-color-of-a-chessboard-square/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1812-determine-color-of-a-chessboard-square/Easy | Math, 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/1822-sign-of-the-product-of-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1822-sign-of-the-product-of-an-array/Easy | Array, Mathhttps://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/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/1830-minimum-number-of-operations-to-make-string-sorted/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1830-minimum-number-of-operations-to-make-string-sorted/Hard | Hash Table, Math, String, Combinatorics, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1835-find-xor-sum-of-all-pairs-bitwise-and/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1835-find-xor-sum-of-all-pairs-bitwise-and/Hard | Array, Math, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/1837-sum-of-digits-in-base-k/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1837-sum-of-digits-in-base-k/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/1840-maximum-building-height/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1840-maximum-building-height/Hard | Array, Math, Sortinghttps://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/1862-sum-of-floored-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1862-sum-of-floored-pairs/Hard | Array, Math, Binary Search, Counting, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1863-sum-of-all-subset-xor-totals/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1863-sum-of-all-subset-xor-totals/Easy | Array, Math, Backtracking, Bit Manipulation, Combinatorics, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1866-number-of-ways-to-rearrange-sticks-with-k-sticks-visible/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1866-number-of-ways-to-rearrange-sticks-with-k-sticks-visible/Hard | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/1872-stone-game-viii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1872-stone-game-viii/Hard | Array, Math, Dynamic Programming, Prefix Sum, Game Theoryhttps://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/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/1903-largest-odd-number-in-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1903-largest-odd-number-in-string/Easy | Math, String, Greedyhttps://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/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/1952-three-divisors/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1952-three-divisors/Easy | Math, Enumeration, Number Theoryhttps://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/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/1979-find-greatest-common-divisor-of-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1979-find-greatest-common-divisor-of-array/Easy | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1998-gcd-sort-of-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1998-gcd-sort-of-an-array/Hard | Array, Math, Union-Find, Sorting, Number Theoryhttps://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/1012-numbers-with-repeated-digits/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1012-numbers-with-repeated-digits/Hard | Math, 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/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/1025-divisor-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1025-divisor-game/Easy | Math, Dynamic Programming, Brainteaser, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1030-matrix-cells-in-distance-order/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1030-matrix-cells-in-distance-order/Easy | Array, Math, Geometry, Sorting, Matrixhttps://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/1037-valid-boomerang/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1037-valid-boomerang/Easy | Array, Math, Geometryhttps://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/1071-greatest-common-divisor-of-strings/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1071-greatest-common-divisor-of-strings/Easy | Math, Stringhttps://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/1103-distribute-candies-to-people/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1103-distribute-candies-to-people/Easy | Math, Simulationhttps://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/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/1137-n-th-tribonacci-number/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1137-n-th-tribonacci-number/Easy | Math, Dynamic Programming, Memoizationhttps://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/1154-day-of-the-year/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1154-day-of-the-year/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1185-day-of-the-week/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1185-day-of-the-week/Easy | Mathhttps://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/1217-minimum-cost-to-move-chips-to-the-same-position/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1217-minimum-cost-to-move-chips-to-the-same-position/Easy | Array, Math, Greedyhttps://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/1232-check-if-it-is-a-straight-line/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1232-check-if-it-is-a-straight-line/Easy | Array, Math, Geometryhttps://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/1250-check-if-it-is-a-good-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1250-check-if-it-is-a-good-array/Hard | Array, Math, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/1252-cells-with-odd-values-in-a-matrix/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1252-cells-with-odd-values-in-a-matrix/Easy | Array, Math, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/1266-minimum-time-visiting-all-points/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1266-minimum-time-visiting-all-points/Easy | Array, Math, Geometryhttps://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/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/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/0762-prime-number-of-set-bits-in-binary-representation/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0762-prime-number-of-set-bits-in-binary-representation/Easy | Math, Bit Manipulationhttps://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/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/0780-reaching-points/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0780-reaching-points/Hard | Mathhttps://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/0782-transform-to-chessboard/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0782-transform-to-chessboard/Hard | Array, Math, Bit Manipulation, Matrixhttps://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/0793-preimage-size-of-factorial-zeroes-function/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0793-preimage-size-of-factorial-zeroes-function/Hard | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0805-split-array-with-same-average/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0805-split-array-with-same-average/Hard | Array, Hash Table, Math, Dynamic Programming, Bit Manipulation, Bitmaskhttps://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/0810-chalkboard-xor-game/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0810-chalkboard-xor-game/Hard | Array, Math, Bit Manipulation, Brainteaser, Game Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0812-largest-triangle-area/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0812-largest-triangle-area/Easy | Array, Math, Geometryhttps://leetcode-solutions-5zk.pages.dev/posts/0829-consecutive-numbers-sum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0829-consecutive-numbers-sum/Hard | Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0836-rectangle-overlap/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0836-rectangle-overlap/Easy | Math, Geometryhttps://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/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/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/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/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/0878-nth-magical-number/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0878-nth-magical-number/Hard | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0883-projection-area-of-3d-shapes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0883-projection-area-of-3d-shapes/Easy | Array, Math, Geometry, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0887-super-egg-drop/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0887-super-egg-drop/Hard | Math, Binary Search, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0891-sum-of-subsequence-widths/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0891-sum-of-subsequence-widths/Hard | Array, Math, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0892-surface-area-of-3d-shapes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0892-surface-area-of-3d-shapes/Easy | Array, Math, Geometry, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/0899-orderly-queue/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0899-orderly-queue/Hard | Math, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0902-numbers-at-most-n-given-digit-set/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0902-numbers-at-most-n-given-digit-set/Hard | Array, Math, String, Binary Search, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0906-super-palindromes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0906-super-palindromes/Hard | Math, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0908-smallest-range-i/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0908-smallest-range-i/Easy | Array, Mathhttps://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/0914-x-of-a-kind-in-a-deck-of-cards/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0914-x-of-a-kind-in-a-deck-of-cards/Easy | Array, Hash Table, Math, Counting, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0920-number-of-music-playlists/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0920-number-of-music-playlists/Hard | Math, Dynamic Programming, Combinatoricshttps://leetcode-solutions-5zk.pages.dev/posts/0927-three-equal-parts/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0927-three-equal-parts/Hard | Array, Mathhttps://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/0952-largest-component-size-by-common-factor/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0952-largest-component-size-by-common-factor/Hard | Array, Hash Table, Math, Union-Find, Number Theoryhttps://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/0964-least-operators-to-express-number/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0964-least-operators-to-express-number/Hard | Math, Dynamic Programming, Memoizationhttps://leetcode-solutions-5zk.pages.dev/posts/0972-equal-rational-numbers/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0972-equal-rational-numbers/Hard | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0976-largest-perimeter-triangle/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0976-largest-perimeter-triangle/Easy | Array, Math, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0989-add-to-array-form-of-integer/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0989-add-to-array-form-of-integer/Easy | Array, Mathhttps://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/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/0492-construct-the-rectangle/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0492-construct-the-rectangle/Easy | Mathhttps://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/0504-base-7/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0504-base-7/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0507-perfect-number/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0507-perfect-number/Easy | Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0509-fibonacci-number/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0509-fibonacci-number/Easy | Math, Dynamic Programming, Recursion, Memoizationhttps://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/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/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/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/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/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/0564-find-the-closest-palindrome/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0564-find-the-closest-palindrome/Hard | Math, Stringhttps://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/0598-range-addition-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0598-range-addition-ii/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0628-maximum-product-of-three-numbers/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0628-maximum-product-of-three-numbers/Easy | Array, Math, Sortinghttps://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/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/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/0668-kth-smallest-number-in-multiplication-table/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0668-kth-smallest-number-in-multiplication-table/Hard | Math, Binary Searchhttps://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/0679-24-game/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0679-24-game/Hard | Array, Math, Backtrackinghttps://leetcode-solutions-5zk.pages.dev/posts/0710-random-pick-with-blacklist/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0710-random-pick-with-blacklist/Hard | Array, Hash Table, Math, Binary Search, Sorting, Randomizedhttps://leetcode-solutions-5zk.pages.dev/posts/0326-power-of-three/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0326-power-of-three/Easy | Math, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0342-power-of-four/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0342-power-of-four/Easy | Math, Bit Manipulation, Recursionhttps://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/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/0367-valid-perfect-square/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0367-valid-perfect-square/Easy | Math, Binary 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/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/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/0381-insert-delete-getrandom-o1-duplicates-allowed/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0381-insert-delete-getrandom-o1-duplicates-allowed/Hard | 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/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/0391-perfect-rectangle/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0391-perfect-rectangle/Hard | Array, Hash Table, Math, Geometry, Sweep Linehttps://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/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/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/0405-convert-a-number-to-hexadecimal/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0405-convert-a-number-to-hexadecimal/Easy | Math, String, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0412-fizz-buzz/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0412-fizz-buzz/Easy | Math, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0415-add-strings/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0415-add-strings/Easy | Math, String, Simulationhttps://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/0441-arranging-coins/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0441-arranging-coins/Easy | Math, Binary Searchhttps://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/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/0458-poor-pigs/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0458-poor-pigs/Hard | Math, Dynamic Programming, Combinatoricshttps://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/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/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/0479-largest-palindrome-product/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0479-largest-palindrome-product/Hard | Math, Enumerationhttps://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/0013-roman-to-integer/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0013-roman-to-integer/Easy | Hash Table, Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0149-max-points-on-a-line/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0149-max-points-on-a-line/Hard | Array, Hash Table, Math, Geometryhttps://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/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/0168-excel-sheet-column-title/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0168-excel-sheet-column-title/Easy | Math, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0171-excel-sheet-column-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0171-excel-sheet-column-number/Easy | Math, Stringhttps://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/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/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/0202-happy-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0202-happy-number/Easy | Hash Table, Math, Two Pointershttps://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/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/0224-basic-calculator/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0224-basic-calculator/Hard | Math, String, Stack, Recursionhttps://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/0231-power-of-two/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0231-power-of-two/Easy | Math, Bit Manipulation, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0233-number-of-digit-one/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0233-number-of-digit-one/Hard | Math, Dynamic Programming, Recursionhttps://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/0258-add-digits/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0258-add-digits/Easy | Math, Simulation, Number Theoryhttps://leetcode-solutions-5zk.pages.dev/posts/0263-ugly-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0263-ugly-number/Easy | Mathhttps://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/0268-missing-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0268-missing-number/Easy | Array, Hash Table, Math, Binary Search, Bit Manipulation, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0273-integer-to-english-words/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0273-integer-to-english-words/Hard | Math, String, Recursionhttps://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/0282-expression-add-operators/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0282-expression-add-operators/Hard | Math, String, Backtrackinghttps://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/0292-nim-game/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0292-nim-game/Easy | Math, Brainteaser, Game Theoryhttps://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/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/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/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/0060-permutation-sequence/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0060-permutation-sequence/Hard | Math, Recursionhttps://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/0066-plus-one/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0066-plus-one/Easy | Array, Mathhttps://leetcode-solutions-5zk.pages.dev/posts/0067-add-binary/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0067-add-binary/Easy | Math, String, Bit Manipulation, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0069-sqrtx/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0069-sqrtx/Easy | Math, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0070-climbing-stairs/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0070-climbing-stairs/Easy | Math, Dynamic Programming, Memoizationhttps://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/0009-palindrome-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0009-palindrome-number/Easy | Mathhttps://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 Tree