https://leetcode-solutions-5zk.pages.dev/tags/two-pointers/Recent content in Two Pointers on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://leetcode-solutions-5zk.pages.dev/posts/1861-rotating-the-box/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1861-rotating-the-box/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/1898-maximum-number-of-removable-characters/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1898-maximum-number-of-removable-characters/Medium | Array, Two Pointers, String, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2014-longest-subsequence-repeated-k-times/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2014-longest-subsequence-repeated-k-times/Hard | Hash Table, Two Pointers, String, Backtracking, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1023-camelcase-matching/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1023-camelcase-matching/Medium | Array, Two Pointers, String, Trie, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/1346-check-if-n-and-its-double-exist/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1346-check-if-n-and-its-double-exist/Easy | Array, Hash Table, Two Pointers, Binary Search, Sortinghttps://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/0522-longest-uncommon-subsequence-ii/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0522-longest-uncommon-subsequence-ii/Medium | Array, Hash Table, Two Pointers, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0524-longest-word-in-dictionary-through-deleting/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0524-longest-word-in-dictionary-through-deleting/Medium | Array, Two Pointers, String, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0809-expressive-words/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0809-expressive-words/Medium | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0832-flipping-an-image/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0832-flipping-an-image/Easy | Array, Two Pointers, Bit Manipulation, Matrix, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0844-backspace-string-compare/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0844-backspace-string-compare/Easy | Two Pointers, String, Stack, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/0923-3sum-with-multiplicity/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0923-3sum-with-multiplicity/Medium | Array, Hash Table, Two Pointers, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/0969-pancake-sorting/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0969-pancake-sorting/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3218-minimum-cost-for-cutting-cake-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3218-minimum-cost-for-cutting-cake-i/Medium | Array, Two Pointers, Dynamic Programming, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3239-minimum-number-of-flips-to-make-binary-grid-palindromic-i/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3240-minimum-number-of-flips-to-make-binary-grid-palindromic-ii/Medium | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3302-find-the-lexicographically-smallest-valid-sequence/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3302-find-the-lexicographically-smallest-valid-sequence/Medium | Two Pointers, String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/3316-find-maximum-removals-from-source-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3316-find-maximum-removals-from-source-string/Medium | Array, Hash Table, Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3356-zero-array-transformation-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3356-zero-array-transformation-ii/Medium | Array, Two Pointers, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3362-zero-array-transformation-iii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3362-zero-array-transformation-iii/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Medium | Two Pointers, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3455-shortest-matching-substring/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3455-shortest-matching-substring/Hard | Two Pointers, String, Binary Search, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Medium | Two Pointers, String, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3504-longest-palindrome-after-substring-concatenation-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3504-longest-palindrome-after-substring-concatenation-ii/Hard | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/3534-path-existence-queries-in-a-graph-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3534-path-existence-queries-in-a-graph-ii/Hard | Array, Two Pointers, Binary Search, Dynamic Programming, Greedy, Bit Manipulation, Graph Theory, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3584-maximum-product-of-first-and-last-elements-of-a-subsequence/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3584-maximum-product-of-first-and-last-elements-of-a-subsequence/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/3633-earliest-finish-time-for-land-and-water-rides-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3633-earliest-finish-time-for-land-and-water-rides-i/Easy | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3635-earliest-finish-time-for-land-and-water-rides-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3635-earliest-finish-time-for-land-and-water-rides-ii/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3643-flip-square-submatrix-vertically/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3643-flip-square-submatrix-vertically/Easy | Array, Two Pointers, Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/3645-maximum-total-from-optimal-activation-order/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3645-maximum-total-from-optimal-activation-order/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/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/3685-subsequence-sum-after-capping-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3685-subsequence-sum-after-capping-elements/Medium | Array, Two Pointers, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Medium | Two Pointers, Binary Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3734-lexicographically-smallest-palindromic-permutation-greater-than-target/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3734-lexicographically-smallest-palindromic-permutation-greater-than-target/Hard | Two Pointers, String, Enumerationhttps://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/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/3766-minimum-operations-to-make-binary-palindrome/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3766-minimum-operations-to-make-binary-palindrome/Medium | Array, Two Pointers, Binary Search, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3775-reverse-words-with-same-vowel-count/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3775-reverse-words-with-same-vowel-count/Medium | Two Pointers, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3794-reverse-string-prefix/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3794-reverse-string-prefix/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/3801-minimum-cost-to-merge-sorted-lists/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3801-minimum-cost-to-merge-sorted-lists/Hard | Array, Two Pointers, Binary Search, Dynamic Programming, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/3814-maximum-capacity-within-budget/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3814-maximum-capacity-within-budget/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/3823-reverse-letters-then-special-characters-in-a-string/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3823-reverse-letters-then-special-characters-in-a-string/Easy | Two Pointers, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/3844-longest-almost-palindromic-substring/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3844-longest-almost-palindromic-substring/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/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/3884-first-matching-character-from-both-ends/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3884-first-matching-character-from-both-ends/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2970-count-the-number-of-incremovable-subarrays-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2970-count-the-number-of-incremovable-subarrays-i/Easy | Array, Two Pointers, Binary Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2972-count-the-number-of-incremovable-subarrays-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2972-count-the-number-of-incremovable-subarrays-ii/Hard | Array, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/3006-find-beautiful-indices-in-the-given-array-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3006-find-beautiful-indices-in-the-given-array-i/Medium | Two Pointers, String, Binary Search, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3008-find-beautiful-indices-in-the-given-array-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3008-find-beautiful-indices-in-the-given-array-ii/Hard | Two Pointers, String, Binary Search, Rolling Hash, String Matching, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/3132-find-the-integer-added-to-array-ii/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3132-find-the-integer-added-to-array-ii/Medium | Array, Two Pointers, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3186-maximum-total-damage-with-spell-casting/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3186-maximum-total-damage-with-spell-casting/Medium | Array, Hash Table, Two Pointers, Binary Search, Dynamic Programming, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/3194-minimum-average-of-smallest-and-largest-elements/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3194-minimum-average-of-smallest-and-largest-elements/Easy | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2697-lexicographically-smallest-palindrome/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2697-lexicographically-smallest-palindrome/Easy | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2824-count-pairs-whose-sum-is-less-than-target/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2824-count-pairs-whose-sum-is-less-than-target/Easy | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2825-make-string-a-subsequence-using-cyclic-increments/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2825-make-string-a-subsequence-using-cyclic-increments/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2856-minimum-array-length-after-pair-removals/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2856-minimum-array-length-after-pair-removals/Medium | Array, Hash Table, Two Pointers, Binary Search, Greedy, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/2903-find-indices-with-index-and-value-difference-i/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2903-find-indices-with-index-and-value-difference-i/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2905-find-indices-with-index-and-value-difference-ii/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2905-find-indices-with-index-and-value-difference-ii/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2911-minimum-changes-to-make-k-semi-palindromes/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2911-minimum-changes-to-make-k-semi-palindromes/Hard | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/2938-separate-black-and-white-balls/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2938-separate-black-and-white-balls/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2035-partition-array-into-two-arrays-to-minimize-sum-difference/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2035-partition-array-into-two-arrays-to-minimize-sum-difference/Hard | Array, Two Pointers, Binary Search, Dynamic Programming, Bit Manipulation, Sorting, Ordered Set, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/2071-maximum-number-of-tasks-you-can-assign/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2071-maximum-number-of-tasks-you-can-assign/Hard | Array, Two Pointers, Binary Search, Greedy, Queue, Sorting, Monotonic Queuehttps://leetcode-solutions-5zk.pages.dev/posts/2095-delete-the-middle-node-of-a-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2095-delete-the-middle-node-of-a-linked-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2105-watering-plants-ii/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2105-watering-plants-ii/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2108-find-first-palindromic-string-in-the-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2108-find-first-palindromic-string-in-the-array/Easy | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2109-adding-spaces-to-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2109-adding-spaces-to-a-string/Medium | Array, Two Pointers, String, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2110-number-of-smooth-descent-periods-of-a-stock/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2110-number-of-smooth-descent-periods-of-a-stock/Medium | Array, Math, Two Pointers, Dynamic Programming, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/2122-recover-the-original-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2122-recover-the-original-array/Hard | Array, Hash Table, Two Pointers, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2130-maximum-twin-sum-of-a-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2130-maximum-twin-sum-of-a-linked-list/Medium | Linked List, Two Pointers, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/2149-rearrange-array-elements-by-sign/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2149-rearrange-array-elements-by-sign/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2161-partition-array-according-to-given-pivot/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2161-partition-array-according-to-given-pivot/Medium | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2193-minimum-number-of-moves-to-make-palindrome/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2193-minimum-number-of-moves-to-make-palindrome/Hard | Two Pointers, String, Greedy, Binary Indexed Treehttps://leetcode-solutions-5zk.pages.dev/posts/2200-find-all-k-distant-indices-in-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2200-find-all-k-distant-indices-in-an-array/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2234-maximum-total-beauty-of-the-gardens/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2234-maximum-total-beauty-of-the-gardens/Hard | Array, Two Pointers, Binary Search, Greedy, Sorting, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2300-successful-pairs-of-spells-and-potions/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2300-successful-pairs-of-spells-and-potions/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2332-the-latest-time-to-catch-a-bus/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2332-the-latest-time-to-catch-a-bus/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2337-move-pieces-to-obtain-a-string/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2337-move-pieces-to-obtain-a-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/2367-number-of-arithmetic-triplets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2367-number-of-arithmetic-triplets/Easy | Array, Hash Table, Two Pointers, Enumerationhttps://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/2406-divide-intervals-into-minimum-number-of-groups/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2406-divide-intervals-into-minimum-number-of-groups/Medium | Array, Two Pointers, Greedy, Sorting, Heap (Priority Queue), Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2410-maximum-matching-of-players-with-trainers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2410-maximum-matching-of-players-with-trainers/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2441-largest-positive-integer-that-exists-with-its-negative/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2441-largest-positive-integer-that-exists-with-its-negative/Easy | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2460-apply-operations-to-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2460-apply-operations-to-an-array/Easy | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2462-total-cost-to-hire-k-workers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2462-total-cost-to-hire-k-workers/Medium | Array, Two Pointers, Heap (Priority Queue), Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2465-number-of-distinct-averages/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2465-number-of-distinct-averages/Easy | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2472-maximum-number-of-non-overlapping-palindrome-substrings/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2472-maximum-number-of-non-overlapping-palindrome-substrings/Hard | Two Pointers, String, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2486-append-characters-to-string-to-make-subsequence/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2486-append-characters-to-string-to-make-subsequence/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2491-divide-players-into-teams-of-equal-skill/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2491-divide-players-into-teams-of-equal-skill/Medium | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2503-maximum-number-of-points-from-grid-queries/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2503-maximum-number-of-points-from-grid-queries/Hard | Array, Two Pointers, Breadth-First Search, Union-Find, Sorting, Heap (Priority Queue), Matrixhttps://leetcode-solutions-5zk.pages.dev/posts/2511-maximum-enemy-forts-that-can-be-captured/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2511-maximum-enemy-forts-that-can-be-captured/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2540-minimum-common-value/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2540-minimum-common-value/Easy | Array, Hash Table, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2562-find-the-array-concatenation-value/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2562-find-the-array-concatenation-value/Easy | Array, Two Pointers, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/2563-count-the-number-of-fair-pairs/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2563-count-the-number-of-fair-pairs/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2565-subsequence-with-the-minimum-score/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2565-subsequence-with-the-minimum-score/Hard | Two Pointers, String, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/2570-merge-two-2d-arrays-by-summing-values/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2570-merge-two-2d-arrays-by-summing-values/Easy | Array, Hash Table, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/2576-find-the-maximum-number-of-marked-indices/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2576-find-the-maximum-number-of-marked-indices/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/2592-maximize-greatness-of-an-array/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2592-maximize-greatness-of-an-array/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1332-remove-palindromic-subsequences/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1332-remove-palindromic-subsequences/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1385-find-the-distance-value-between-two-arrays/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1385-find-the-distance-value-between-two-arrays/Easy | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence/Easy | Two Pointers, String, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/1471-the-k-strongest-values-in-an-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1471-the-k-strongest-values-in-an-array/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1498-number-of-subsequences-that-satisfy-the-given-sum-condition/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1498-number-of-subsequences-that-satisfy-the-given-sum-condition/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1508-range-sum-of-sorted-subarray-sums/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1508-range-sum-of-sorted-subarray-sums/Medium | Array, Two Pointers, Binary Search, Sorting, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1537-get-the-maximum-score/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1537-get-the-maximum-score/Hard | Array, Two Pointers, Dynamic Programming, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1574-shortest-subarray-to-be-removed-to-make-array-sorted/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1574-shortest-subarray-to-be-removed-to-make-array-sorted/Medium | Array, Two Pointers, Binary Search, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1616-split-two-strings-to-make-palindrome/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1616-split-two-strings-to-make-palindrome/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1679-max-number-of-k-sum-pairs/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1679-max-number-of-k-sum-pairs/Medium | Array, Hash Table, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1697-checking-existence-of-edge-length-limited-paths/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1697-checking-existence-of-edge-length-limited-paths/Hard | Array, Two Pointers, Union-Find, Graph Theory, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1712-ways-to-split-array-into-three-subarrays/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1712-ways-to-split-array-into-three-subarrays/Medium | Array, Two Pointers, Binary Search, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1721-swapping-nodes-in-a-linked-list/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1721-swapping-nodes-in-a-linked-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/1750-minimum-length-of-string-after-deleting-similar-ends/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1750-minimum-length-of-string-after-deleting-similar-ends/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1754-largest-merge-of-two-strings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1754-largest-merge-of-two-strings/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1755-closest-subsequence-sum/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1755-closest-subsequence-sum/Hard | Array, Two Pointers, Dynamic Programming, Bit Manipulation, Sorting, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/1764-form-array-by-concatenating-subarrays-of-another-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1764-form-array-by-concatenating-subarrays-of-another-array/Medium | Array, Two Pointers, Greedy, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/1768-merge-strings-alternately/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1768-merge-strings-alternately/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1782-count-pairs-of-nodes/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1782-count-pairs-of-nodes/Hard | Array, Hash Table, Two Pointers, Binary Search, Graph Theory, Sorting, Countinghttps://leetcode-solutions-5zk.pages.dev/posts/1793-maximum-score-of-a-good-subarray/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1793-maximum-score-of-a-good-subarray/Hard | Array, Two Pointers, Binary Search, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1813-sentence-similarity-iii/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1813-sentence-similarity-iii/Medium | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1850-minimum-adjacent-swaps-to-reach-the-kth-smallest-number/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1850-minimum-adjacent-swaps-to-reach-the-kth-smallest-number/Medium | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/1855-maximum-distance-between-a-pair-of-values/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1855-maximum-distance-between-a-pair-of-values/Medium | Array, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/1877-minimize-maximum-pair-sum-in-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1877-minimize-maximum-pair-sum-in-array/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1960-maximum-product-of-the-length-of-two-palindromic-substrings/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1960-maximum-product-of-the-length-of-two-palindromic-substrings/Hard | Two Pointers, String, Rolling Hash, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/1961-check-if-string-is-a-prefix-of-array/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1961-check-if-string-is-a-prefix-of-array/Easy | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/1963-minimum-number-of-swaps-to-make-the-string-balanced/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1963-minimum-number-of-swaps-to-make-the-string-balanced/Medium | Two Pointers, String, Stack, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/2000-reverse-prefix-of-word/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2000-reverse-prefix-of-word/Easy | Two Pointers, String, Stackhttps://leetcode-solutions-5zk.pages.dev/posts/1048-longest-string-chain/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1048-longest-string-chain/Medium | Array, Hash Table, Two Pointers, String, Dynamic Programming, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/1089-duplicate-zeros/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1089-duplicate-zeros/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/1147-longest-chunked-palindrome-decomposition/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1147-longest-chunked-palindrome-decomposition/Hard | Two Pointers, String, Dynamic Programming, Greedy, Rolling Hash, Hash Functionhttps://leetcode-solutions-5zk.pages.dev/posts/1163-last-substring-in-lexicographical-order/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1163-last-substring-in-lexicographical-order/Hard | Two Pointers, Stringhttps://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/0763-partition-labels/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0763-partition-labels/Medium | Hash Table, Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0777-swap-adjacent-in-lr-string/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0777-swap-adjacent-in-lr-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0786-k-th-smallest-prime-fraction/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0786-k-th-smallest-prime-fraction/Medium | Array, Two Pointers, Binary Search, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0795-number-of-subarrays-with-bounded-maximum/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0795-number-of-subarrays-with-bounded-maximum/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0821-shortest-distance-to-a-character/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0821-shortest-distance-to-a-character/Easy | Array, Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0825-friends-of-appropriate-ages/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0825-friends-of-appropriate-ages/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0826-most-profit-assigning-work/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0826-most-profit-assigning-work/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0838-push-dominoes/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0838-push-dominoes/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0845-longest-mountain-in-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0845-longest-mountain-in-array/Medium | Array, Two Pointers, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0870-advantage-shuffle/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0870-advantage-shuffle/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0876-middle-of-the-linked-list/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0876-middle-of-the-linked-list/Easy | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0881-boats-to-save-people/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0881-boats-to-save-people/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0905-sort-array-by-parity/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0905-sort-array-by-parity/Easy | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0917-reverse-only-letters/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0917-reverse-only-letters/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0922-sort-array-by-parity-ii/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0922-sort-array-by-parity-ii/Easy | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0925-long-pressed-name/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0925-long-pressed-name/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0942-di-string-match/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0942-di-string-match/Easy | Array, Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0948-bag-of-tokens/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0948-bag-of-tokens/Medium | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0962-maximum-width-ramp/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0962-maximum-width-ramp/Medium | Array, Two Pointers, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0977-squares-of-a-sorted-array/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0977-squares-of-a-sorted-array/Easy | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0986-interval-list-intersections/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0986-interval-list-intersections/Medium | Array, Two Pointers, Sweep Linehttps://leetcode-solutions-5zk.pages.dev/posts/0481-magical-string/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0481-magical-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0532-k-diff-pairs-in-an-array/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0532-k-diff-pairs-in-an-array/Medium | Array, Hash Table, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0541-reverse-string-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0541-reverse-string-ii/Easy | Two Pointers, Stringhttps://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/0557-reverse-words-in-a-string-iii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0557-reverse-words-in-a-string-iii/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0567-permutation-in-string/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0567-permutation-in-string/Medium | Hash Table, Two Pointers, String, Sliding Windowhttps://leetcode-solutions-5zk.pages.dev/posts/0581-shortest-unsorted-continuous-subarray/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0581-shortest-unsorted-continuous-subarray/Medium | Array, Two Pointers, Stack, Greedy, Sorting, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0611-valid-triangle-number/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0611-valid-triangle-number/Medium | Array, Two Pointers, Binary Search, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/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/0647-palindromic-substrings/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0647-palindromic-substrings/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0653-two-sum-iv-input-is-a-bst/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0653-two-sum-iv-input-is-a-bst/Easy | Hash Table, Two Pointers, Tree, Depth-First Search, Breadth-First Search, Binary Search Tree, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/0658-find-k-closest-elements/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0658-find-k-closest-elements/Medium | Array, Two Pointers, Binary Search, Sliding Window, Sorting, Heap (Priority Queue)https://leetcode-solutions-5zk.pages.dev/posts/0680-valid-palindrome-ii/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0680-valid-palindrome-ii/Easy | Two Pointers, String, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0696-count-binary-substrings/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0696-count-binary-substrings/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0719-find-k-th-smallest-pair-distance/Tue, 21 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0719-find-k-th-smallest-pair-distance/Hard | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0321-create-maximum-number/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0321-create-maximum-number/Hard | Array, Two Pointers, Stack, Greedy, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0344-reverse-string/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0344-reverse-string/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0345-reverse-vowels-of-a-string/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0345-reverse-vowels-of-a-string/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0349-intersection-of-two-arrays/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0349-intersection-of-two-arrays/Easy | Array, Hash Table, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0350-intersection-of-two-arrays-ii/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0350-intersection-of-two-arrays-ii/Easy | Array, Hash Table, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0392-is-subsequence/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0392-is-subsequence/Easy | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0443-string-compression/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0443-string-compression/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0455-assign-cookies/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0455-assign-cookies/Easy | Array, Two Pointers, Greedy, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0457-circular-array-loop/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0457-circular-array-loop/Medium | Array, Hash Table, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0466-count-the-repetitions/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0466-count-the-repetitions/Hard | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0475-heaters/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0475-heaters/Medium | Array, Two Pointers, Binary Search, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0011-container-with-most-water/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0011-container-with-most-water/Medium | Array, Two Pointers, Greedyhttps://leetcode-solutions-5zk.pages.dev/posts/0125-valid-palindrome/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0125-valid-palindrome/Easy | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0141-linked-list-cycle/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0141-linked-list-cycle/Easy | Hash Table, Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0142-linked-list-cycle-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0142-linked-list-cycle-ii/Medium | Hash Table, Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0143-reorder-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0143-reorder-list/Medium | Linked List, Two Pointers, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0148-sort-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0148-sort-list/Medium | Linked List, Two Pointers, Divide and Conquer, Sorting, Merge Sorthttps://leetcode-solutions-5zk.pages.dev/posts/0015-3sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0015-3sum/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0151-reverse-words-in-a-string/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0151-reverse-words-in-a-string/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0016-3sum-closest/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0016-3sum-closest/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0160-intersection-of-two-linked-lists/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0160-intersection-of-two-linked-lists/Easy | Hash Table, Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0165-compare-version-numbers/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0165-compare-version-numbers/Medium | Two Pointers, Stringhttps://leetcode-solutions-5zk.pages.dev/posts/0167-two-sum-ii-input-array-is-sorted/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0167-two-sum-ii-input-array-is-sorted/Medium | Array, Two Pointers, Binary Searchhttps://leetcode-solutions-5zk.pages.dev/posts/0018-4sum/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0018-4sum/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0189-rotate-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0189-rotate-array/Medium | Array, Math, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0019-remove-nth-node-from-end-of-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0019-remove-nth-node-from-end-of-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/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/0234-palindrome-linked-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0234-palindrome-linked-list/Easy | Linked List, Two Pointers, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0026-remove-duplicates-from-sorted-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0026-remove-duplicates-from-sorted-array/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0027-remove-element/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0027-remove-element/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0028-find-the-index-of-the-first-occurrence-in-a-string/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0028-find-the-index-of-the-first-occurrence-in-a-string/Easy | Two Pointers, String, String Matchinghttps://leetcode-solutions-5zk.pages.dev/posts/0283-move-zeroes/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0283-move-zeroes/Easy | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0287-find-the-duplicate-number/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0287-find-the-duplicate-number/Medium | Array, Two Pointers, Binary Search, Bit Manipulationhttps://leetcode-solutions-5zk.pages.dev/posts/0295-find-median-from-data-stream/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0295-find-median-from-data-stream/Hard | Two Pointers, Design, Sorting, Heap (Priority Queue), Data Streamhttps://leetcode-solutions-5zk.pages.dev/posts/0031-next-permutation/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0031-next-permutation/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0042-trapping-rain-water/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0042-trapping-rain-water/Hard | Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/0005-longest-palindromic-substring/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0005-longest-palindromic-substring/Medium | Two Pointers, String, Dynamic Programminghttps://leetcode-solutions-5zk.pages.dev/posts/0061-rotate-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0061-rotate-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0075-sort-colors/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0075-sort-colors/Medium | Array, Two Pointers, Sortinghttps://leetcode-solutions-5zk.pages.dev/posts/0080-remove-duplicates-from-sorted-array-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0080-remove-duplicates-from-sorted-array-ii/Medium | Array, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0082-remove-duplicates-from-sorted-list-ii/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0082-remove-duplicates-from-sorted-list-ii/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0086-partition-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0086-partition-list/Medium | Linked List, Two Pointershttps://leetcode-solutions-5zk.pages.dev/posts/0088-merge-sorted-array/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0088-merge-sorted-array/Easy | Array, Two Pointers, Sorting