| 706 | https://leetcode.com/problems/design-hashmap | Design HashMap | Easy | 66.4% | 75.0% |
| 2700 | https://leetcode.com/problems/differences-between-two-objects | Differences Between Two Objects | Medium | 74.6% | 100.0% |
| 1209 | https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii | Remove All Adjacent Duplicates in String II | Medium | 60.9% | 75.0% |
| 905 | https://leetcode.com/problems/sort-array-by-parity | Sort Array By Parity | Easy | 76.5% | 62.5% |
| 922 | https://leetcode.com/problems/sort-array-by-parity-ii | Sort Array By Parity II | Easy | 71.2% | 62.5% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 62.5% |