| 502 | https://leetcode.com/problems/ipo | IPO | Hard | 53.3% | 62.5% |
| 460 | https://leetcode.com/problems/lfu-cache | LFU Cache | Hard | 48.6% | 62.5% |
| 239 | https://leetcode.com/problems/sliding-window-maximum | Sliding Window Maximum | Hard | 48.4% | 62.5% |
| 3367 | https://leetcode.com/problems/maximize-sum-of-weights-after-edge-removals | Maximize Sum of Weights after Edge Removals | Hard | 30.4% | 100.0% |
| 2867 | https://leetcode.com/problems/count-valid-paths-in-a-tree | Count Valid Paths in a Tree | Hard | 35.9% | 62.5% |
| 3710 | https://leetcode.com/problems/maximum-partition-factor | Maximum Partition Factor | Hard | 31.0% | 87.5% |