https://leetcode-solutions-5zk.pages.dev/tags/recursion/Recent content in Recursion on LeetCode 题解笔记Hugozh-cn2026 ZenzZweiMon, 11 May 2026 12:12:02 +0800https://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/0736-parse-lisp-expression/Wed, 29 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0736-parse-lisp-expression/Hard | Hash Table, String, Stack, Recursionhttps://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/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/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/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/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/2487-remove-nodes-from-linked-list/Fri, 24 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/2487-remove-nodes-from-linked-list/Medium | Linked List, Stack, Recursion, Monotonic Stackhttps://leetcode-solutions-5zk.pages.dev/posts/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/1545-find-kth-bit-in-nth-binary-string/Thu, 23 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1545-find-kth-bit-in-nth-binary-string/Medium | String, Recursion, Simulationhttps://leetcode-solutions-5zk.pages.dev/posts/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/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/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/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/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/1106-parsing-a-boolean-expression/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/1106-parsing-a-boolean-expression/Hard | String, Stack, Recursionhttps://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/0894-all-possible-full-binary-trees/Wed, 22 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0894-all-possible-full-binary-trees/Medium | Dynamic Programming, Tree, Recursion, Memoization, Binary Treehttps://leetcode-solutions-5zk.pages.dev/posts/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/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/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/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/0394-decode-string/Mon, 20 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0394-decode-string/Medium | String, Stack, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0010-regular-expression-matching/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0010-regular-expression-matching/Hard | String, Dynamic Programming, Recursionhttps://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/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/0203-remove-linked-list-elements/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0203-remove-linked-list-elements/Easy | Linked List, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0206-reverse-linked-list/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0206-reverse-linked-list/Easy | Linked List, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/0021-merge-two-sorted-lists/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0021-merge-two-sorted-lists/Easy | Linked List, Recursionhttps://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/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/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/0024-swap-nodes-in-pairs/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0024-swap-nodes-in-pairs/Medium | Linked List, Recursionhttps://leetcode-solutions-5zk.pages.dev/posts/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/0025-reverse-nodes-in-k-group/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0025-reverse-nodes-in-k-group/Hard | Linked List, Recursionhttps://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/0044-wildcard-matching/Fri, 17 Apr 2026 00:00:00 +0000https://leetcode-solutions-5zk.pages.dev/posts/0044-wildcard-matching/Hard | String, Dynamic Programming, Greedy, Recursionhttps://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, Recursion