https://leetcode-solutions-5zk.pages.dev/tags/enumeration/Recent content in Enumeration on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://leetcode-solutions-5zk.pages.dev/posts/3197-find-the-minimum-area-to-cover-all-ones-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3197-find-the-minimum-area-to-cover-all-ones-ii/Hard | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3440-reschedule-meetings-for-maximum-free-time-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3440-reschedule-meetings-for-maximum-free-time-ii/Medium | Array, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3548-equal-sum-grid-partition-ii/Wed, 06 May 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3548-equal-sum-grid-partition-ii/Hard | Array, Hash Table, Matrix, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/1638-count-substrings-that-differ-by-one-character/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1638-count-substrings-that-differ-by-one-character/Medium | Hash Table, String, Dynamic Programming, Enumerationhttps://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/1995-count-special-quadruplets/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1995-count-special-quadruplets/Easy | Array, Hash Table, Enumerationhttps://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/2018-check-if-word-can-be-placed-in-crossword/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2018-check-if-word-can-be-placed-in-crossword/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2025-maximum-number-of-ways-to-partition-an-array/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2025-maximum-number-of-ways-to-partition-an-array/Hard | Array, Hash Table, Counting, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2151-maximum-good-people-based-on-statements/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2151-maximum-good-people-based-on-statements/Hard | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2242-maximum-score-of-a-node-sequence/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2242-maximum-score-of-a-node-sequence/Hard | Array, Graph Theory, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2261-k-divisible-elements-subarrays/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2261-k-divisible-elements-subarrays/Medium | Array, Hash Table, Trie, Rolling Hash, Hash Function, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2272-substring-with-largest-variance/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2272-substring-with-largest-variance/Hard | Hash Table, String, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Thu, 30 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2397-maximum-rows-covered-by-columns/Medium | Array, Backtracking, Bit Manipulation, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1620-coordinate-with-maximum-network-quality/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1620-coordinate-with-maximum-network-quality/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1625-lexicographically-smallest-string-after-applying-operations/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1625-lexicographically-smallest-string-after-applying-operations/Medium | String, Depth-First Search, Breadth-First Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2765-longest-alternating-subarray/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2765-longest-alternating-subarray/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2768-number-of-black-blocks/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2768-number-of-black-blocks/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2778-sum-of-squares-of-special-elements/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2778-sum-of-squares-of-special-elements/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2800-shortest-string-that-contains-three-strings/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2800-shortest-string-that-contains-three-strings/Medium | String, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/3234-count-the-number-of-substrings-with-dominant-ones/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3234-count-the-number-of-substrings-with-dominant-ones/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3256-maximum-value-sum-by-placing-three-rooks-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3256-maximum-value-sum-by-placing-three-rooks-i/Hard | Array, Dynamic Programming, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3257-maximum-value-sum-by-placing-three-rooks-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3257-maximum-value-sum-by-placing-three-rooks-ii/Hard | Array, Dynamic Programming, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3265-count-almost-equal-pairs-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3265-count-almost-equal-pairs-i/Medium | Array, Hash Table, Sorting, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3267-count-almost-equal-pairs-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3267-count-almost-equal-pairs-ii/Hard | Array, Hash Table, Sorting, Counting, Enumerationhttps://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/3309-maximum-possible-number-by-binary-concatenation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3309-maximum-possible-number-by-binary-concatenation/Medium | Array, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3371-identify-the-largest-outlier-in-an-array/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3371-identify-the-largest-outlier-in-an-array/Medium | Array, Hash Table, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3389-minimum-operations-to-make-character-frequencies-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3389-minimum-operations-to-make-character-frequencies-equal/Hard | Hash Table, String, Dynamic Programming, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3398-smallest-substring-with-identical-characters-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3398-smallest-substring-with-identical-characters-i/Hard | Array, Binary Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3403-find-the-lexicographically-largest-string-from-the-box-i/Medium | Two Pointers, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3404-count-special-subsequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3404-count-special-subsequences/Medium | Array, Hash Table, Math, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3434-maximum-frequency-after-subarray-operation/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3434-maximum-frequency-after-subarray-operation/Medium | Array, Hash Table, Dynamic Programming, Greedy, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3435-frequencies-of-shortest-supersequences/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3435-frequencies-of-shortest-supersequences/Hard | Array, String, Bit Manipulation, Graph Theory, Topological Sort, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3445-maximum-difference-between-even-and-odd-frequency-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3445-maximum-difference-between-even-and-odd-frequency-ii/Hard | String, Sliding Window, Enumeration, Prefix Sumhttps://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/3480-maximize-subarrays-after-removing-one-conflicting-pair/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3480-maximize-subarrays-after-removing-one-conflicting-pair/Hard | Array, Segment Tree, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3483-unique-3-digit-even-numbers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3483-unique-3-digit-even-numbers/Easy | Array, Hash Table, Recursion, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3499-maximize-active-section-with-trade-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3499-maximize-active-section-with-trade-i/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3503-longest-palindrome-after-substring-concatenation-i/Medium | Two Pointers, String, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3546-equal-sum-grid-partition-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3546-equal-sum-grid-partition-i/Medium | Array, Matrix, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/3566-partition-array-into-two-equal-product-subsets/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3566-partition-array-into-two-equal-product-subsets/Medium | Array, Bit Manipulation, Recursion, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/3664-two-letter-card-game/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3664-two-letter-card-game/Medium | Array, Hash Table, String, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3713-longest-balanced-substring-i/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3713-longest-balanced-substring-i/Medium | Hash Table, String, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3720-lexicographically-smallest-permutation-greater-than-target/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3720-lexicographically-smallest-permutation-greater-than-target/Medium | Hash Table, String, Greedy, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3722-lexicographically-smallest-string-after-reverse/Medium | Two Pointers, Binary Search, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3745-maximize-expression-of-three-elements/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3745-maximize-expression-of-three-elements/Easy | Array, Greedy, Sorting, Enumerationhttps://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/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/3784-minimum-deletion-cost-to-make-all-characters-equal/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3784-minimum-deletion-cost-to-make-all-characters-equal/Medium | Array, Hash Table, String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3799-word-squares-ii/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3799-word-squares-ii/Medium | Array, String, Backtracking, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3804-number-of-centered-subarrays/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3804-number-of-centered-subarrays/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3825-longest-strictly-increasing-subsequence-with-non-zero-bitwise-and/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3825-longest-strictly-increasing-subsequence-with-non-zero-bitwise-and/Medium | Array, Binary Search, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3827-count-monobit-integers/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3827-count-monobit-integers/Easy | Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3830-longest-alternating-subarray-after-removing-at-most-one-element/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3830-longest-alternating-subarray-after-removing-at-most-one-element/Hard | Array, Dynamic Programming, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3833-count-dominant-indices/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3833-count-dominant-indices/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3872-longest-arithmetic-sequence-after-changing-at-most-one-element/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3872-longest-arithmetic-sequence-after-changing-at-most-one-element/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3880-minimum-absolute-difference-between-two-values/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3880-minimum-absolute-difference-between-two-values/Easy | Array, Enumerationhttps://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/3890-integers-with-multiple-sum-of-two-cubes/Mon, 27 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3890-integers-with-multiple-sum-of-two-cubes/Medium | Hash Table, Sorting, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/2975-maximum-square-area-by-removing-fences-from-a-field/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2975-maximum-square-area-by-removing-fences-from-a-field/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/3010-divide-an-array-into-subarrays-with-minimum-cost-i/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3010-divide-an-array-into-subarrays-with-minimum-cost-i/Easy | Array, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3020-find-the-maximum-number-of-elements-in-subset/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3020-find-the-maximum-number-of-elements-in-subset/Medium | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/3114-latest-time-you-can-obtain-after-replacing-characters/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3114-latest-time-you-can-obtain-after-replacing-characters/Easy | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3127-make-a-square-with-the-same-color/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3127-make-a-square-with-the-same-color/Easy | Array, Matrix, Enumerationhttps://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/3139-minimum-cost-to-equalize-array/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3139-minimum-cost-to-equalize-array/Hard | Array, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/3200-maximum-height-of-a-triangle/Sun, 26 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/3200-maximum-height-of-a-triangle/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2708-maximum-strength-of-a-group/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2708-maximum-strength-of-a-group/Medium | Array, Dynamic Programming, Backtracking, Greedy, Bit Manipulation, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2735-collecting-chocolates/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2735-collecting-chocolates/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2749-minimum-operations-to-make-the-integer-zero/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2749-minimum-operations-to-make-the-integer-zero/Medium | Bit Manipulation, Brainteaser, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/2763-sum-of-imbalance-numbers-of-all-subarrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2763-sum-of-imbalance-numbers-of-all-subarrays/Hard | Array, Hash Table, Enumerationhttps://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/2860-happy-students/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2860-happy-students/Medium | Array, Sorting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/2934-minimum-operations-to-maximize-last-elements-in-arrays/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2934-minimum-operations-to-maximize-last-elements-in-arrays/Medium | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/2951-find-the-peaks/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2951-find-the-peaks/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2959-number-of-possible-sets-of-closing-branches/Sat, 25 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2959-number-of-possible-sets-of-closing-branches/Hard | Bit Manipulation, Graph Theory, Heap (Priority Queue), Enumeration, Shortest Pathhttps://leetcode-solutions-5zk.pages.dev/posts/2044-count-number-of-maximum-bitwise-or-subsets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2044-count-number-of-maximum-bitwise-or-subsets/Medium | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2048-next-greater-numerically-balanced-number/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2048-next-greater-numerically-balanced-number/Medium | Hash Table, Math, Backtracking, Counting, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/2094-finding-3-digit-even-numbers/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2094-finding-3-digit-even-numbers/Easy | Array, Hash Table, Recursion, Sorting, Enumerationhttps://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/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/2171-removing-minimum-number-of-magic-beans/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2171-removing-minimum-number-of-magic-beans/Medium | Array, Greedy, Sorting, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2212-maximum-points-in-an-archery-competition/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2212-maximum-points-in-an-archery-competition/Medium | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2232-minimize-result-by-adding-parentheses-to-expression/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2232-minimize-result-by-adding-parentheses-to-expression/Medium | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/2259-remove-digit-from-number-to-maximize-result/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2259-remove-digit-from-number-to-maximize-result/Easy | String, Greedy, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2306-naming-a-company/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2306-naming-a-company/Hard | Array, Hash Table, String, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2309-greatest-english-letter-in-upper-and-lower-case/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2309-greatest-english-letter-in-upper-and-lower-case/Easy | Hash Table, String, Enumerationhttps://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/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/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/2437-number-of-valid-clock-times/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2437-number-of-valid-clock-times/Easy | String, Enumerationhttps://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/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/2468-split-message-based-on-limit/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2468-split-message-based-on-limit/Hard | String, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/2552-count-increasing-quadruplets/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2552-count-increasing-quadruplets/Hard | Array, Dynamic Programming, Binary Indexed Tree, Enumeration, Prefix Sumhttps://leetcode-solutions-5zk.pages.dev/posts/2605-form-smallest-number-from-two-digit-arrays/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2605-form-smallest-number-from-two-digit-arrays/Easy | Array, Hash Table, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1291-sequential-digits/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1291-sequential-digits/Medium | Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1534-count-good-triplets/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1534-count-good-triplets/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1566-detect-pattern-of-length-m-repeated-k-or-more-times/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1566-detect-pattern-of-length-m-repeated-k-or-more-times/Easy | Array, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1601-maximum-number-of-achievable-transfer-requests/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1601-maximum-number-of-achievable-transfer-requests/Hard | Array, Backtracking, Bit Manipulation, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1617-count-subtrees-with-max-distance-between-cities/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1617-count-subtrees-with-max-distance-between-cities/Hard | Dynamic Programming, Bit Manipulation, Tree, Enumeration, Bitmaskhttps://leetcode-solutions-5zk.pages.dev/posts/1761-minimum-degree-of-a-connected-trio-in-a-graph/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1761-minimum-degree-of-a-connected-trio-in-a-graph/Hard | Graph Theory, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/1849-splitting-a-string-into-descending-consecutive-values/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1849-splitting-a-string-into-descending-consecutive-values/Medium | String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/1958-check-if-move-is-legal/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1958-check-if-move-is-legal/Medium | Array, Matrix, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/0816-ambiguous-coordinates/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0816-ambiguous-coordinates/Medium | String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/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/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/0949-largest-time-for-given-digits/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0949-largest-time-for-given-digits/Medium | Array, String, Backtracking, Enumerationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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 Theory