| Trapping Rain Water | Hard | 66.8% | 100.0% |
| Median of Two Sorted Arrays | Hard | 46.0% | 80.4% |
| Valid Arrangement of Pairs | Hard | 66.5% | 51.6% |
| Shortest Subarray with Sum at Least K | Hard | 32.6% | 48.8% |
| Count Palindromic Subsequences | Hard | 41.0% | 47.1% |
| Maximize Palindrome Length From Subsequences | Hard | 38.2% | 47.1% |
| Optimal Account Balancing | Hard | 50.3% | 45.3% |
| Sliding Window Maximum | Hard | 48.5% | 43.3% |
| Allocate Mailboxes | Hard | 56.5% | 43.3% |
| N-Queens | Hard | 75.0% | 41.0% |
| Integer to English Words | Hard | 34.8% | 41.0% |
| Maximum Profit in Job Scheduling | Hard | 54.6% | 38.4% |
| Binary Tree Cameras | Hard | 47.6% | 38.4% |
| The Skyline Problem | Hard | 45.0% | 38.4% |
| Minimum Initial Energy to Finish Tasks | Hard | 60.7% | 35.3% |
| Find Median from Data Stream | Hard | 54.2% | 35.3% |
| Maximal Rectangle | Hard | 58.1% | 35.3% |
| Candy | Hard | 48.0% | 35.3% |
| Minimum Window Substring | Hard | 47.0% | 31.5% |
| Reaching Points | Hard | 34.2% | 31.5% |
| Merge k Sorted Lists | Hard | 58.9% | 31.5% |
| Russian Doll Envelopes | Hard | 37.7% | 31.5% |
| Reverse Nodes in k-Group | Hard | 65.4% | 31.5% |
| Largest Rectangle in Histogram | Hard | 49.4% | 31.5% |
| First Missing Positive | Hard | 42.5% | 26.7% |
| Best Time to Buy and Sell Stock IV | Hard | 49.5% | 26.7% |
| Find the Closest Palindrome | Hard | 31.8% | 26.7% |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 26.7% |
| Palindrome Pairs | Hard | 37.0% | 26.7% |
| Best Time to Buy and Sell Stock III | Hard | 53.2% | 26.7% |
| Minimum Number of Refueling Stops | Hard | 41.1% | 26.7% |
| Minimum Number of Moves to Make Palindrome | Hard | 52.6% | 26.7% |
| Count of Integers | Hard | 38.2% | 20.2% |
| Sudoku Solver | Hard | 65.4% | 20.2% |
| LFU Cache | Hard | 48.6% | 20.2% |
| Meeting Rooms III | Hard | 51.6% | 20.2% |
| Bus Routes | Hard | 47.1% | 20.2% |
| Burst Balloons | Hard | 63.0% | 20.2% |
| Text Justification | Hard | 50.5% | 20.2% |
| Word Ladder | Hard | 44.9% | 20.2% |
| Cherry Pickup | Hard | 39.1% | 20.2% |
| Unique Paths III | Hard | 82.8% | 20.2% |
| Longest Duplicate Substring | Hard | 31.1% | 20.2% |
| Parsing A Boolean Expression | Hard | 69.8% | 20.2% |
| Find Shortest Path with K Hops | Hard | 68.7% | 20.2% |
| Minimum Insertion Steps to Make a String Palindrome | Hard | 73.7% | 20.2% |
| Kth Ancestor of a Tree Node | Hard | 37.2% | 20.2% |
| Split Array Largest Sum | Hard | 59.9% | 20.2% |
