| Special Binary String | Hard | 79.3% | 92.4% |
| Median of Two Sorted Arrays | Hard | 46.0% | 90.6% |
| Number of Increasing Paths in a Grid | Hard | 57.4% | 84.3% |
| Count Ways to Build Rooms in an Ant Colony | Hard | 51.1% | 81.7% |
| Preimage Size of Factorial Zeroes Function | Hard | 46.7% | 81.7% |
| Choose Numbers From Two Arrays in Range | Hard | 52.9% | 81.7% |
| Minimum Window Substring | Hard | 47.0% | 75.9% |
| Threshold Majority Queries | Hard | 21.7% | 75.9% |
| Trapping Rain Water | Hard | 66.8% | 72.4% |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 57.7% |
| Shortest Path in a Grid with Obstacles Elimination | Hard | 46.1% | 57.7% |
| Sliding Window Maximum | Hard | 48.5% | 50.3% |
| Longest Increasing Path in a Matrix | Hard | 56.3% | 50.3% |
| N-Queens | Hard | 75.0% | 50.3% |
| Reverse Nodes in k-Group | Hard | 65.4% | 39.9% |
| Word Ladder | Hard | 44.9% | 39.9% |
| Shortest Path to Get All Keys | Hard | 54.3% | 39.9% |
| Largest Rectangle in Histogram | Hard | 49.4% | 39.9% |
| Basic Calculator | Hard | 46.6% | 39.9% |
| Reconstruct Itinerary | Hard | 44.3% | 39.9% |
| Minimum Number of Taps to Open to Water a Garden | Hard | 51.0% | 39.9% |
