| Sliding Window Maximum | Hard | 48.4% | 100.0% |
| Count Palindromic Subsequences | Hard | 41.0% | 100.0% |
| Find Median from Data Stream | Hard | 54.2% | 87.5% |
| Minimum Costs Using the Train Line | Hard | 77.9% | 87.5% |
| Best Position for a Service Centre | Hard | 35.2% | 87.5% |
| Minimum Operations to Make Numbers Non-positive | Hard | 44.0% | 87.5% |
| LFU Cache | Hard | 48.6% | 75.0% |
| Parallel Courses III | Hard | 66.8% | 75.0% |
| Employee Free Time | Hard | 72.8% | 75.0% |
| Serialize and Deserialize Binary Tree | Hard | 60.3% | 62.5% |
| Couples Holding Hands | Hard | 59.2% | 62.5% |
| Find Servers That Handled Most Number of Requests | Hard | 45.2% | 62.5% |
| Reconstruct Itinerary | Hard | 44.3% | 62.5% |
| Regular Expression Matching | Hard | 30.4% | 50.0% |
| Merge k Sorted Lists | Hard | 58.8% | 50.0% |
| Sudoku Solver | Hard | 65.4% | 50.0% |
| Trapping Rain Water | Hard | 66.8% | 50.0% |
| Best Time to Buy and Sell Stock III | Hard | 53.1% | 50.0% |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 50.0% |
| Design Search Autocomplete System | Hard | 49.7% | 50.0% |
| Design Excel Sum Formula | Hard | 39.8% | 50.0% |
| Sort Items by Groups Respecting Dependencies | Hard | 65.6% | 50.0% |
| Word Ladder II | Hard | 27.5% | 50.0% |
| Rank Transform of a Matrix | Hard | 42.0% | 50.0% |
| Max Points on a Line | Hard | 30.2% | 50.0% |
| Maximum Profit in Job Scheduling | Hard | 54.6% | 50.0% |
| Word Ladder | Hard | 44.9% | 50.0% |
| Optimal Account Balancing | Hard | 50.3% | 50.0% |
| Best Time to Buy and Sell Stock IV | Hard | 49.5% | 50.0% |
| Transform to Chessboard | Hard | 51.1% | 50.0% |
| Critical Connections in a Network | Hard | 59.3% | 50.0% |