| Title | Acceptance | Level |
|---|---|---|
| Roman to Integer | 55.7% | Easy |
| Flood Fill | 55.3% | Easy |
| Pascal's Triangle II | 49.0% | Easy |
| Diameter of Binary Tree | 48.4% | Easy |
| Sqrt(x) | 33.9% | Easy |
| Max Area of Island | 62.7% | Medium |
| Product of Array Except Self | 60.1% | Medium |
| Group Anagrams | 56.9% | Medium |
| Binary Search Tree Iterator | 56.6% | Medium |
| Serialize and Deserialize BST | 52.0% | Medium |
| My Calendar I | 51.8% | Medium |
| Robot Bounded In Circle | 49.6% | Medium |
| Implement Trie (Prefix Tree) | 49.4% | Medium |
| Reorganize String | 48.7% | Medium |
| Binary Tree Zigzag Level Order Traversal | 48.3% | Medium |
| Palindrome Partitioning | 47.5% | Medium |
| Number of Islands | 46.8% | Medium |
| Word Break | 40.1% | Medium |
| Reconstruct Itinerary | 36.7% | Medium |
| Copy List with Random Pointer | 36.4% | Medium |
| Find First and Last Position of Element in Sorted Array | 36.2% | Medium |
| Remove Comments | 34.6% | Medium |
| Word Ladder | 29.6% | Medium |
| 3Sum | 26.8% | Medium |
| Trapping Rain Water | 48.9% | Hard |
| Serialize and Deserialize Binary Tree | 47.5% | Hard |
| Find Median from Data Stream | 44.3% | Hard |