| Alien Dictionary | Hard | 37.1% | 93.5% |
| Number of Islands | Medium | 63.8% | 89.6% |
| Kth Smallest Element in a BST | Medium | 76.5% | 82.4% |
| Word Search | Medium | 46.9% | 76.9% |
| Minimum Edge Reversals So Every Node Is Reachable | Hard | 57.3% | 73.8% |
| Count Paths That Can Form a Palindrome in a Tree | Hard | 48.4% | 70.2% |
| Evaluate Division | Medium | 64.0% | 70.2% |
| Course Schedule II | Medium | 55.0% | 65.8% |
| Making A Large Island | Hard | 56.3% | 64.8% |
| Course Schedule | Medium | 50.8% | 63.8% |
| Shortest Bridge | Medium | 59.3% | 62.7% |
| Serialize and Deserialize Binary Tree | Hard | 60.4% | 58.9% |
| The Maze | Medium | 60.3% | 56.0% |
| Divide Nodes Into the Maximum Number of Groups | Hard | 67.0% | 56.0% |
| House Robber III | Medium | 55.6% | 54.4% |
| Maximize Amount After Two Days of Conversions | Medium | 61.2% | 52.6% |
| The Maze II | Medium | 55.0% | 52.6% |
| Regions Cut By Slashes | Medium | 77.5% | 52.6% |
| Flood Fill | Easy | 67.9% | 50.6% |
| Maximum Depth of Binary Tree | Easy | 77.9% | 50.6% |
| Clone Graph | Medium | 64.7% | 50.6% |
| Check for Contradictions in Equations | Hard | 43.8% | 50.6% |
| Course Schedule IV | Medium | 59.7% | 50.6% |
| Employee Importance | Medium | 69.3% | 50.6% |
| Number of Nodes in the Sub-Tree With the Same Label | Medium | 55.4% | 50.6% |
| Binary Tree Right Side View | Medium | 69.5% | 48.5% |
| Boundary of Binary Tree | Medium | 47.9% | 43.4% |
| Longest Path With Different Adjacent Characters | Hard | 54.0% | 43.4% |
| Most Profitable Path in a Tree | Medium | 67.3% | 36.6% |
| Reconstruct Itinerary | Hard | 44.3% | 36.6% |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 36.6% |
| Longest Increasing Path in a Matrix | Hard | 56.3% | 36.6% |
| Number of Provinces | Medium | 70.0% | 36.6% |
| Cheapest Flights Within K Stops | Medium | 41.4% | 32.2% |
| Is Graph Bipartite? | Medium | 58.9% | 32.2% |
| Smallest String With Swaps | Medium | 60.4% | 32.2% |
| Water and Jug Problem | Medium | 45.0% | 32.2% |
| Detonate the Maximum Bombs | Medium | 49.9% | 32.2% |
| Find Eventual Safe States | Medium | 70.3% | 26.6% |
| Surrounded Regions | Medium | 44.8% | 26.6% |
| Design Search Autocomplete System | Hard | 49.7% | 26.6% |
| Find All People With Secret | Hard | 48.4% | 19.2% |
| Vertical Order Traversal of a Binary Tree | Hard | 53.3% | 19.2% |
| Minimize the Maximum Edge Weight of Graph | Medium | 44.0% | 19.2% |
| Minimum Fuel Cost to Report to the Capital | Medium | 64.9% | 19.2% |
| Swim in Rising Water | Hard | 67.6% | 19.2% |
| Amount of Time for Binary Tree to Be Infected | Medium | 65.1% | 19.2% |
| Minimize Malware Spread | Hard | 43.0% | 19.2% |
| Minimize Malware Spread II | Hard | 45.5% | 19.2% |
| Binary Tree Longest Consecutive Sequence II | Medium | 50.0% | 19.2% |
| Populating Next Right Pointers in Each Node II | Medium | 57.1% | 19.2% |
| Closest Binary Search Tree Value | Easy | 49.3% | 19.2% |
| Accounts Merge | Medium | 60.9% | 19.2% |
| Freedom Trail | Hard | 59.2% | 19.2% |
| Possible Bipartition | Medium | 52.4% | 19.2% |
| Graph Valid Tree | Medium | 49.8% | 19.2% |
| Remove Sub-Folders from the Filesystem | Medium | 78.6% | 19.2% |
