| Binary Tree Vertical Order Traversal | Medium | 57.8% | 93.4% |
| Binary Tree Right Side View | Medium | 69.5% | 86.0% |
| Nested List Weight Sum | Medium | 85.9% | 81.7% |
| Clone Graph | Medium | 64.7% | 71.4% |
| Shortest Path in Binary Matrix | Medium | 51.1% | 67.4% |
| Making A Large Island | Hard | 56.3% | 65.0% |
| Accounts Merge | Medium | 60.9% | 62.4% |
| Remove Invalid Parentheses | Hard | 49.8% | 47.0% |
| Vertical Order Traversal of a Binary Tree | Hard | 53.3% | 47.0% |
| Course Schedule | Medium | 50.8% | 47.0% |
| All Nodes Distance K in Binary Tree | Medium | 67.4% | 47.0% |
| Binary Tree Zigzag Level Order Traversal | Medium | 63.2% | 43.3% |
| Number of Islands | Medium | 63.8% | 43.1% |
| Binary Tree Level Order Traversal | Medium | 72.2% | 42.7% |
| Swim in Rising Water | Hard | 67.6% | 40.7% |
| Word Ladder | Hard | 44.9% | 40.7% |
| Populating Next Right Pointers in Each Node | Medium | 66.9% | 39.6% |
| Alien Dictionary | Hard | 37.1% | 35.4% |
| Shortest Distance from All Buildings | Hard | 44.9% | 35.4% |
| Minimum Depth of Binary Tree | Easy | 52.4% | 34.5% |
| Shortest Path in a Hidden Grid | Medium | 44.5% | 32.0% |
| Maximum Depth of Binary Tree | Easy | 77.9% | 31.6% |
| Symmetric Tree | Easy | 60.8% | 30.6% |
| Course Schedule II | Medium | 55.0% | 29.9% |
| Same Tree | Easy | 66.7% | 25.5% |
| Path Sum | Easy | 54.5% | 24.9% |
| Binary Tree Level Order Traversal II | Medium | 67.7% | 7.5% |