| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 50.0% |
| 380 | https://leetcode.com/problems/insert-delete-getrandom-o1 | Insert Delete GetRandom O(1) | Medium | 55.3% | 87.5% |
| 981 | https://leetcode.com/problems/time-based-key-value-store | Time Based Key-Value Store | Medium | 49.7% | 100.0% |
| 13 | https://leetcode.com/problems/roman-to-integer | Roman to Integer | Easy | 66.2% | 50.0% |
| 973 | https://leetcode.com/problems/k-closest-points-to-origin | K Closest Points to Origin | Medium | 68.7% | 50.0% |
| 125 | https://leetcode.com/problems/valid-palindrome | Valid Palindrome | Easy | 52.8% | 62.5% |
| 1396 | https://leetcode.com/problems/design-underground-system | Design Underground System | Medium | 74.4% | 100.0% |
| 97 | https://leetcode.com/problems/interleaving-string | Interleaving String | Medium | 43.5% | 75.0% |