| Number of Distinct Roll Sequences | Hard | 58.2% | 95.2% |
| Find Minimum Diameter After Merging Two Trees | Hard | 57.1% | 95.2% |
| Trapping Rain Water | Hard | 66.8% | 89.3% |
| Maximum Score with Co-Prime Element | Hard | | 89.3% |
| First Missing Positive | Hard | 42.5% | 71.0% |
| Sliding Window Maximum | Hard | 48.5% | 71.0% |
| Number of Visible People in a Queue | Hard | 72.4% | 63.4% |
| LFU Cache | Hard | 48.6% | 63.4% |
| Median of Two Sorted Arrays | Hard | 46.0% | 52.8% |
| Minimum One Bit Operations to Make Integers Zero | Hard | 78.5% | 52.8% |
| Subarrays with K Different Integers | Hard | 67.6% | 52.8% |
| Word Ladder | Hard | 44.9% | 52.8% |
| Critical Connections in a Network | Hard | 59.3% | 52.8% |
