| Minimum Remove to Make Valid Parentheses | Medium | 71.3% | 100.0% |
| Binary Tree Vertical Order Traversal | Medium | 57.8% | 93.4% |
| Lowest Common Ancestor of a Binary Tree III | Medium | 82.9% | 89.6% |
| Kth Largest Element in an Array | Medium | 68.8% | 86.9% |
| Pow(x, n) | Medium | 38.3% | 86.9% |
| Binary Tree Right Side View | Medium | 69.5% | 86.0% |
| Simplify Path | Medium | 50.0% | 85.9% |
| Merge Intervals | Medium | 51.2% | 84.8% |
| Basic Calculator II | Medium | 46.7% | 84.0% |
| Lowest Common Ancestor of a Binary Tree | Medium | 68.8% | 82.9% |
| Find Peak Element | Medium | 46.8% | 82.9% |
| Nested List Weight Sum | Medium | 85.9% | 81.7% |
| Random Pick with Weight | Medium | 48.9% | 80.5% |
| Sum Root to Leaf Numbers | Medium | 69.6% | 80.5% |
| Next Permutation | Medium | 44.8% | 78.3% |
| Top K Frequent Elements | Medium | 65.9% | 77.9% |
| 3Sum | Medium | 38.6% | 76.7% |
| Buildings With an Ocean View | Medium | 80.9% | 74.9% |
| Custom Sort String | Medium | 72.3% | 73.2% |
| Find First and Last Position of Element in Sorted Array | Medium | 48.4% | 72.1% |
| K Closest Points to Origin | Medium | 68.8% | 71.4% |
| Clone Graph | Medium | 64.7% | 71.4% |
| Subarray Sum Equals K | Medium | 46.8% | 71.4% |
| Dot Product of Two Sparse Vectors | Medium | 89.9% | 69.5% |
| Shortest Path in Binary Matrix | Medium | 51.1% | 67.4% |
| Copy List with Random Pointer | Medium | 62.4% | 67.4% |
| Add Two Numbers | Medium | 48.0% | 65.1% |
| Subsets | Medium | 82.1% | 64.1% |
| Letter Combinations of a Phone Number | Medium | 65.5% | 64.1% |
| Remove Nth Node From End of List | Medium | 51.0% | 63.6% |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 63.1% |
| Accounts Merge | Medium | 60.9% | 62.4% |
| LRU Cache | Medium | 46.8% | 62.4% |
| Max Consecutive Ones III | Medium | 67.3% | 62.4% |
| String to Integer (atoi) | Medium | 20.6% | 59.7% |
| Longest Palindromic Substring | Medium | 37.4% | 59.0% |
| Search in Rotated Sorted Array | Medium | 44.1% | 57.0% |
| Diagonal Traverse | Medium | 67.0% | 56.0% |
| Exclusive Time of Functions | Medium | 66.1% | 56.0% |
| Group Anagrams | Medium | 72.2% | 53.6% |
| Count and Say | Medium | 62.3% | 53.4% |
| Maximum Subarray | Medium | 53.0% | 52.1% |
| Binary Search Tree Iterator | Medium | 76.2% | 51.9% |
| Minimum Add to Make Parentheses Valid | Medium | 74.4% | 51.9% |
| Container With Most Water | Medium | 59.6% | 51.8% |
| Sort Colors | Medium | 69.2% | 51.2% |
| Set Matrix Zeroes | Medium | 62.5% | 51.2% |
| Multiply Strings | Medium | 43.6% | 50.1% |
| Reverse Integer | Medium | 31.5% | 49.4% |
| Word Search | Medium | 46.9% | 48.3% |
| Generate Parentheses | Medium | 78.3% | 47.5% |
| Rotate Image | Medium | 79.4% | 47.1% |
| Palindromic Substrings | Medium | 72.6% | 47.0% |
| Continuous Subarray Sum | Medium | 31.2% | 47.0% |
| Group Shifted Strings | Medium | 67.7% | 47.0% |
| Course Schedule | Medium | 50.8% | 47.0% |
| Insert into a Sorted Circular Linked List | Medium | 38.5% | 47.0% |
| All Nodes Distance K in Binary Tree | Medium | 67.4% | 47.0% |
| Convert Binary Search Tree to Sorted Doubly Linked List | Medium | 65.6% | 47.0% |
| Spiral Matrix | Medium | 56.2% | 46.6% |
| Insert Interval | Medium | 44.8% | 45.3% |
| Search a 2D Matrix | Medium | 53.6% | 43.3% |
| Binary Tree Zigzag Level Order Traversal | Medium | 63.2% | 43.3% |
| Divide Two Integers | Medium | 19.4% | 43.3% |
| Number of Islands | Medium | 63.8% | 43.1% |
| Binary Tree Level Order Traversal | Medium | 72.2% | 42.7% |
| Unique Paths | Medium | 66.6% | 42.2% |
| Remove Duplicates from Sorted Array II | Medium | 64.3% | 42.2% |
| Jump Game | Medium | 40.5% | 41.6% |
| Validate Binary Search Tree | Medium | 35.4% | 41.0% |
| Product of Two Run-Length Encoded Arrays | Medium | 59.6% | 40.9% |
| Zero Array Transformation III | Medium | 54.9% | 40.7% |
| Managers with at Least 5 Direct Reports | Medium | 48.9% | 40.7% |
| Maximum Swap | Medium | 51.9% | 40.7% |
| Cutting Ribbons | Medium | 53.0% | 40.7% |
| Word Break | Medium | 49.1% | 40.7% |
| Car Pooling | Medium | 56.2% | 40.7% |
| Capacity To Ship Packages Within D Days | Medium | 73.5% | 40.7% |
| Kth Smallest Element in a Sorted Matrix | Medium | 64.4% | 40.7% |
| 3Sum Closest | Medium | 48.1% | 40.4% |
| Best Time to Buy and Sell Stock II | Medium | 70.8% | 39.8% |
| Combination Sum | Medium | 76.1% | 39.8% |
| Decode Ways | Medium | 37.6% | 39.8% |
| Two Sum II - Input Array Is Sorted | Medium | 64.6% | 39.6% |
| Populating Next Right Pointers in Each Node | Medium | 66.9% | 39.6% |
| Rotate Array | Medium | 44.5% | 39.6% |
| Lowest Common Ancestor of a Binary Search Tree | Medium | 70.1% | 38.3% |
| Longest Consecutive Sequence | Medium | 47.0% | 38.0% |
| 4Sum | Medium | 40.0% | 37.0% |
| Valid Sudoku | Medium | 64.2% | 37.0% |
| Subsets II | Medium | 60.9% | 37.0% |
| Permutations | Medium | 81.7% | 36.2% |
| Zigzag Conversion | Medium | 53.6% | 36.2% |
| Design Tic-Tac-Toe | Medium | 58.7% | 35.4% |
| Meeting Rooms II | Medium | 52.6% | 35.4% |
| Product of Array Except Self | Medium | 68.6% | 35.4% |
| Find K Closest Elements | Medium | 49.4% | 35.4% |
| Combination Sum II | Medium | 59.0% | 34.5% |
| Unique Paths II | Medium | 44.2% | 34.5% |
| Jump Game II | Medium | 42.5% | 33.6% |
| Construct Binary Tree from Preorder and Inorder Traversal | Medium | 68.4% | 33.6% |
| Rotate List | Medium | 41.2% | 32.6% |
| Search in Rotated Sorted Array II | Medium | 39.8% | 32.6% |
| Shortest Path in a Hidden Grid | Medium | 44.5% | 32.0% |
| Interval List Intersections | Medium | 72.9% | 32.0% |
| Frequency of the Most Frequent Element | Medium | 44.6% | 32.0% |
| Random Pick Index | Medium | 65.0% | 32.0% |
| Kth Smallest Element in a BST | Medium | 76.5% | 32.0% |
| Decode String | Medium | 62.3% | 32.0% |
| Koko Eating Bananas | Medium | 49.7% | 32.0% |
| Remove All Adjacent Duplicates in String II | Medium | 60.9% | 32.0% |
| Edit Distance | Medium | 60.2% | 31.6% |
| Reverse Linked List II | Medium | 51.0% | 31.6% |
| Minimum Size Subarray Sum | Medium | 51.1% | 29.9% |
| Course Schedule II | Medium | 55.0% | 29.9% |
| Reverse Words in a String | Medium | 55.6% | 29.9% |
| Restore IP Addresses | Medium | 55.3% | 26.9% |
| Convert Sorted List to Binary Search Tree | Medium | 66.0% | 26.9% |
| Swap Nodes in Pairs | Medium | 69.0% | 25.5% |
| Integer to Roman | Medium | 70.5% | 25.5% |
| House Robber | Medium | 52.9% | 24.1% |
| Palindrome Partitioning | Medium | 73.7% | 24.1% |
| Find Minimum in Rotated Sorted Array | Medium | 53.8% | 24.1% |
| Combinations | Medium | 74.2% | 24.0% |
| Minimum Path Sum | Medium | 67.8% | 22.3% |
| Path Sum II | Medium | 61.8% | 20.3% |
| Permutations II | Medium | 63.0% | 18.4% |
| Unique Binary Search Trees II | Medium | 62.0% | 16.1% |
| Flatten Binary Tree to Linked List | Medium | 70.2% | 15.8% |
| Spiral Matrix II | Medium | 74.7% | 13.6% |
| Evaluate Reverse Polish Notation | Medium | 57.1% | 10.2% |
| Binary Tree Level Order Traversal II | Medium | 67.7% | 7.5% |
