分类：leetcode

共有 116 篇文章。

2026

03-10 215. Kth Largest Element in an Array
03-10 前缀和
03-09 0-1背包和完全背包
03-09 300. Longest Increasing Subsequence
03-08 118. Pascals Triangle
03-08 136. Single Number
03-08 169. Majority Element
03-08 5. Longest Palindromic Substring
03-07 347. Top K Frequent Elements
03-05 112. Path Sum
03-05 121. Best Time to Buy and Sell Stock
03-05 202. Happy Number
03-05 415. Add Strings
03-04 146. LRU Cache
03-04 165. Compare Version Numbers
03-03 55. Jump Game
03-02 113. Path Sum II
03-02 hot100
03-01 257. Binary Tree Paths
03-01 3619. Count Islands With Total Value Divisible by K
03-01 回溯
02-28 695. Max Area of Island
02-27 1475. Final Prices With a Special Discount in a Shop
02-27 496. Next Greater Element I
02-26 1283. Find the Smallest Divisor Given a Threshold
02-26 2187. Minimum Time to Complete Trips
02-26 275. H-Index II
02-25 1170. Compare Strings by Frequency of the Smallest Character
02-25 1385. Find the Distance Value Between Two Arrays
02-25 2389. Longest Subsequence With Limited Sum
02-22 红蓝染色法（二分）
02-11 扁平 parentId 关系组装成森林
01-19 148. Sort List

2025

11-10 21. Merge Two Sorted Lists
11-04 141. Linked List Cycle
11-02 160. Intersection of Two Linked Lists
11-02 206. Reverse Linked List
11-02 234. Palindrome Linked List
11-02 240. Search a 2D Matrix II
11-01 48. Rotate Image
10-29 73. Set Matrix Zeroes
10-18 189. Rotate Array
10-18 238. Product of Array Except Self
10-18 53. Maximum Subarray
10-18 56. Merge Intervals
10-14 239. Sliding Window Maximum
10-10 438. Find All Anagrams in a String
10-07 3. Longest Substring Without Repeating Characters
10-06 15. 3Sum
10-03 11. Container With Most Water
10-03 283. Move Zeroes
10-02 128. Longest Consecutive Sequence
10-02 49. Group Anagrams
10-01 1. Two Sum
09-01 139. Word Break
08-27 394. Decode String
08-27 739. Daily Temperatures
08-27 Monotonic Stack
08-26 155. Min Stack
08-26 162. Find Peak Element
08-26 20. Valid Parentheses
08-26 33. Search in Rotated Sorted Array
08-25 2300.Successful Pairs of Spells and Potions
08-25 2529.Maximum Count of Positive Integer and Negative Integer
08-25 74.Search a 2D Matrix
08-25 Bianry Search
08-22 583.Delete Operation for Two Strings
08-22 72.Edit Distance
08-22 Longest Increasing Subsequence
08-21 1143.Longest Common Subsequence
08-06 198.House Robber
08-06 279.Perfect Squares
08-06 322.Coin Change
08-05 494.Target Sum
08-04 70.Climbing Stairs
08-04 Recurrence
07-31 Dynamic Programming
07-29 39.Combination Sum
07-29 79.Word Search
07-28 46.Permutations
07-28 51.N-Queens
07-26 216.Combination Sum III
07-26 22.Generate Parentheses
07-24 131.Palindrome Partitioning
07-24 77.Combinations
07-16 78.Subsets
07-15 17.Letter Combinations of a Phone Number
07-15 208.Implement Trie
07-14 207.Course Schedule
07-14 Backtracking
07-13 236.Lowest Common Ancestor of a Binary Tree
07-13 994.Rotting Oranges
07-12 560.Subarray Sum Equals K
07-11 105.Construct Binary Tree from Preorder and Inorder Traversal
07-11 437.Path Sum III
07-04 200.Number of Islands
07-03 110.Balanced_Binary_Tree
07-03 114.Flatten Binary Tree to Linked List
07-03 199.Binary_Tree_Right_Side_View
07-03 230.Kth_Smallest_Element_in_a_BST
07-02 100.Same_Tree
07-02 101.Symmetric_Tree
07-02 102.Binary_Tree_Level_Order_Traversal
07-02 108.Convert_Sorted_Array_to_Binary_Search_Tree
07-02 543.Diameter_of_Binary_Tree
07-02 98.Validate_Binary_Search_Tree
07-01 104.Maximum_Depth_of_Binary_Tree
07-01 138.Copy_List_with_Random_Pointer
07-01 226.Invert_Binary_Tree
07-01 94.Binary_Tree_Inorder_Traversal
06-29 remove nth node from end of list
06-29 Add two numbers
06-29 swap nodes in pairs
06-29 Merge sorted array
06-27 92.Reverse_Linked_List_II
06-24 142 Linked List Cycle II