| Design Authentication Manager | Medium | 58.4% | 100.0% | Hash TableLinked ListDesign+1 |
| Find Words Containing Character | Easy | 90.4% | 98.0% | ArrayString |
| Logger Rate Limiter | Easy | 76.8% | 73.2% | Hash TableDesignData Stream |
| Vertical Order Traversal of a Binary Tree | Hard | 53.3% | 64.8% | Hash TableTreeDepth-First Search+3 |
| Count Number of Nice Subarrays | Medium | 74.8% | 64.8% | ArrayHash TableMath+2 |
| Remove Invalid Parentheses | Hard | 49.8% | 64.8% | StringBacktrackingBreadth-First Search |