| Most Common Word | Easy | 45.0% | 100.0% | ArrayHash TableString+1 |
| Coin Change | Medium | 48.0% | 96.3% | ArrayDynamic ProgrammingBreadth-First Search |
| Meeting Scheduler | Medium | 55.2% | 91.7% | ArrayTwo PointersSorting |
| Valid Word Abbreviation | Easy | 37.0% | 90.4% | Two PointersString |
| Maximum Depth of N-ary Tree | Easy | 73.5% | 84.0% | TreeDepth-First SearchBreadth-First Search |
| Design Add and Search Words Data Structure | Medium | 48.2% | 84.0% | StringDepth-First SearchDesign+1 |
| Design Circular Queue | Medium | 54.0% | 79.9% | ArrayLinked ListDesign+1 |
| People Whose List of Favorite Companies Is Not a Subset of Another List | Medium | 60.5% | 71.6% | ArrayHash TableString |
| House Robber | Medium | 52.9% | 67.9% | ArrayDynamic Programming |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 57.5% | Dynamic ProgrammingTreeDepth-First Search+1 |
| Maximum Vacation Days | Hard | 46.7% | 57.5% | ArrayDynamic ProgrammingMatrix |
| Sliding Window Median | Hard | 38.9% | 57.5% | ArrayHash TableSliding Window+1 |
| House Robber II | Medium | 44.6% | 57.5% | ArrayDynamic Programming |
| Check If It Is a Straight Line | Easy | 40.0% | 49.2% | ArrayMathGeometry |
| Path Sum | Easy | 54.5% | 49.2% | TreeDepth-First SearchBreadth-First Search+1 |