[LeetCode] Top 100 Liked Questions [LeetCode] Top 100 Liked Questions # Title Acceptance Difficulty 1 Two Sum 38.80% Easy 2 Add Two Numbers 29.10% Medium 3 Longest Substring Without Repeating Characters 25.00% Medium 4 Median of Two Sorted Arrays 23.70% Hard 5 Longest Palindromic Substring 25.60% Medium 10 Regular Expression Matching 24.40% Hard 11 Container With Most Water 38.30% Medium 15 3Sum 22.00% Medium 17 Letter Combinations of a Phone Number 37.80% Medium 19 Remove Nth Node From End of List 33.70% Medium 20 Valid Parentheses 34.50% Easy 21 Merge Two Sorted Lists 42.90% Easy 22 Generate Parentheses 49.90% Medium 23 Merge k Sorted Lists 29.90% Hard 32 Longest Valid Parentheses 23.70% Hard 33 Search in Rotated Sorted Array 32.00% Medium 34 Find First and Last Position of Element in Sorted Array 32.00% Medium 35 Search Insert Position 40.00% Easy 39 Combination Sum 43.30% Medium 42 Trapping Rain Water 38.90% Hard 46 Permutations 49.50% Medium 48 Rotate Image 43.70% Medium 49 Group Anagrams 40.80% Medium 53 Maximum Subarray 41.10% Easy 55 Jump Game 30.10% Medium 56 Merge Intervals 32.90% Medium 62 Unique Paths 44.10% Medium 64 Minimum Path Sum 42.60% Medium 70 Climbing Stairs 42.00% Easy 72 Edit Distance 33.90% Hard 75 Sort Colors 39.80% Medium 76 Minimum Window Substring 27.90% Hard 78 Subsets 47.20% Medium 79 Word Search 28.80% Medium 84 Largest Rectangle in Histogram 28.50% Hard 85 Maximal Rectangle 30.60% Hard 94 Binary Tree Inorder Traversal 51.80% Medium 96 Unique Binary Search Trees 43.10% Medium 98 Validate Binary Search Tree 24.40% Medium 100 Same Tree 48.40% Easy 101 Symmetric Tree 41.30% Easy 102 Binary Tree Level Order Traversal 44.30% Medium 104 Maximum Depth of Binary Tree 56.60% Easy 105 Construct Binary Tree from Preorder and Inorder Traversal 36.20% Medium 114 Flatten Binary Tree to Linked List 38.20% Medium 121 Best Time to Buy and Sell Stock 44.10% Easy 124 Binary Tree Maximum Path Sum 27.80% Hard 128 Longest Consecutive Sequence 39.20% Hard 136 Single Number 56.80% Easy 139 Word Break 32.40% Me 41 Linked List Cycle 34.80% Easy 142 Linked List Cycle II 30.00% Medium 146 LRU Cache 21.10% Hard 148 Sort List 31.50% Medium 152 Maximum Product Subarray 27.30% Medium 155 Min Stack 32.90% Easy 160 Intersection of Two Linked Lists 30.80% Easy 169 Majority Element 49.30% Easy 198 House Robber 40.40% Easy 200 Number of Islands 37.80% Medium 206 Reverse Linked List 48.90% Easy 207 Course Schedule 34.70% Medium 208 Implement Trie (Prefix Tree) 33.10% Medium 215 Kth Largest Element in an Array 42.40% Medium 218 The Skyline Problem 29.80% Hard 221 Maximal Square 31.00% Medium 226 Invert Binary Tree 54.80% Easy 234 Palindrome Linked List 34.10% Easy 236 Lowest Common Ancestor of a Binary Tree 31.40% Medium 238 Product of Array Except Self 51.40% Medium 239 Sliding Window Maximum 35.10% Hard 240 Search a 2D Matrix II 39.30% Medium 279 Perfect Squares 38.60% Medium 283 Move Zeroes 52.20% Easy 287 Find the Duplicate Number 45.70% Medium 297 Serialize and Deserialize Binary Tree 36.30% Hard 300 Longest Increasing Subsequence 39.20% Medium 309 Best Time to Buy and Sell Stock with Cooldown 42.60% Medium 312 Burst Balloons 44.30% Hard 322 Coin Change 27.20% Medium 337 House Robber III 45.70% Medium 338 Counting Bits 62.80% Medium 347 Top K Frequent Elements 50.70% Medium 394 Decode String 42.20% Medium 406 Queue Reconstruction by Height 56.80% Medium 416 Partition Equal Subset Sum 38.70% Medium 437 Path Sum III 40.40% Easy 438 Find All Anagrams in a String 34.20% Easy 448 Find All Numbers Disappeared in an Array 51.40% Easy 461 Hamming Distance 69.50% Easy 494 Target Sum 44.00% Medium 538 Convert BST to Greater Tree 48.80% Easy 543 Diameter of Binary Tree 45.10% Easy 560 Subarray Sum Equals K 39.90% Medium 572 Subtree of Another Tree 40.40% Easy 581 Shortest Unsorted Continuous Subarray 29.30% Easy 617 Merge Two Binary Trees 68.30% Easy 621 Task Scheduler 42.70% Medium 647 Palindromic Substrings 54.40% Medium 695 Max Area of Island 52.90% Easy All LeetCode Questions List 题目汇总