| 1381 | https://leetcode.com/problems/design-a-stack-with-increment-operation | Design a Stack With Increment Operation | Medium | 79.9% | 87.5% |
| 42 | https://leetcode.com/problems/trapping-rain-water | Trapping Rain Water | Hard | 66.8% | 75.0% |
| 1048 | https://leetcode.com/problems/longest-string-chain | Longest String Chain | Medium | 62.8% | 100.0% |
| 540 | https://leetcode.com/problems/single-element-in-a-sorted-array | Single Element in a Sorted Array | Medium | 59.2% | 75.0% |
| 1438 | https://leetcode.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | 57.3% | 75.0% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 87.5% |
| 146 | https://leetcode.com/problems/lru-cache | LRU Cache | Medium | 46.8% | 75.0% |
| 827 | https://leetcode.com/problems/making-a-large-island | Making A Large Island | Hard | 56.3% | 75.0% |
| 130 | https://leetcode.com/problems/surrounded-regions | Surrounded Regions | Medium | 44.7% | 75.0% |
| 2116 | https://leetcode.com/problems/check-if-a-parentheses-string-can-be-valid | Check if a Parentheses String Can Be Valid | Medium | 45.1% | 75.0% |
| 210 | https://leetcode.com/problems/course-schedule-ii | Course Schedule II | Medium | 55.0% | 75.0% |
| 394 | https://leetcode.com/problems/decode-string | Decode String | Medium | 62.2% | 75.0% |