| Search Suggestions System | Medium | 65.1% | 82.2% |
| Design File System | Medium | 65.1% | 72.1% |
| Check if One String Swap Can Make Strings Equal | Easy | 49.5% | 66.8% |
| Design In-Memory File System | Hard | 48.4% | 65.0% |
| Buddy Strings | Easy | 33.9% | 65.0% |
| Next Greater Element III | Medium | 35.2% | 65.0% |
| Minimum Number of Steps to Make Two Strings Anagram | Medium | 82.5% | 64.0% |
| Basic Calculator III | Hard | 53.2% | 60.5% |
| Subsequence With the Minimum Score | Hard | 33.2% | 54.6% |
| Implement Trie (Prefix Tree) | Medium | 69.2% | 50.7% |
| Basic Calculator | Hard | 46.6% | 48.4% |
| Basic Calculator II | Medium | 46.7% | 45.7% |
| Serialize and Deserialize Binary Tree | Hard | 60.4% | 45.7% |
| Longest Common Subsequence | Medium | 58.9% | 45.7% |
| Word Search II | Hard | 38.1% | 42.5% |
| Similar String Groups | Hard | 56.1% | 33.6% |
| Integer to Roman | Medium | 70.5% | 33.6% |
| Design Add and Search Words Data Structure | Medium | 48.2% | 26.7% |
| Group Anagrams | Medium | 72.2% | 26.7% |
| Brace Expansion | Medium | 66.8% | 26.7% |
| Longest Palindromic Substring | Medium | 37.4% | 26.7% |
| Roman to Integer | Easy | 66.3% | 26.7% |
