| Rotting Oranges | Medium | 58.1% | 100.0% | ArrayBreadth-First SearchMatrix |
| Minimum Window Substring | Hard | 46.9% | 87.5% | Hash TableStringSliding Window |
| Read N Characters Given read4 II - Call Multiple Times | Hard | 43.2% | 87.5% | |
| Time Based Key-Value Store | Medium | 49.7% | 87.5% | Hash TableStringBinary Search+1 |
| Convert Sorted List to Binary Search Tree | Medium | 65.9% | 75.0% | Linked ListDivide and ConquerTree+2 |
| Smallest Range Covering Elements from K Lists | Hard | 70.0% | 75.0% | ArrayHash TableGreedy+3 |
| Word Ladder II | Hard | 27.5% | 75.0% | Hash TableStringBacktracking+1 |
| Car Pooling | Medium | 56.2% | 75.0% | ArraySortingHeap (Priority Queue)+2 |
| Max Stack | Hard | 45.9% | 75.0% | |
| String Compression | Medium | 59.5% | 75.0% | Two PointersString |
| Check Completeness of a Binary Tree | Medium | 58.9% | 75.0% | TreeBreadth-First SearchBinary Tree |
| Min Stack | Medium | 57.7% | 62.5% | StackDesign |
| Longest Consecutive Sequence | Medium | 47.0% | 50.0% | ArrayHash TableUnion-Find |
| Meeting Rooms II | Medium | 52.5% | 50.0% | |
| Water and Jug Problem | Medium | 44.8% | 50.0% | MathDepth-First SearchBreadth-First Search |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 50.0% | Hash TableStringSliding Window |
| Decode Ways | Medium | 37.6% | 50.0% | StringDynamic Programming |
| Coordinate With Maximum Network Quality | Medium | 39.3% | 50.0% | ArrayEnumeration |
| Product of Array Except Self | Medium | 68.6% | 50.0% | ArrayPrefix Sum |
| Maximum Candies You Can Get from Boxes | Hard | 67.9% | 50.0% | ArrayBreadth-First SearchGraph Theory |
| Sort List | Medium | 63.8% | 50.0% | Linked ListTwo PointersDivide and Conquer+2 |
| Implement Trie (Prefix Tree) | Medium | 69.2% | 37.5% | Hash TableStringDesign+1 |
| Range Sum Query 2D - Immutable | Medium | 57.8% | 37.5% | ArrayDesignMatrix+1 |
| Find Minimum Time to Finish All Jobs | Hard | 45.3% | 37.5% | ArrayDynamic ProgrammingBacktracking+2 |
| Letter Combinations of a Phone Number | Medium | 65.5% | 37.5% | Hash TableStringBacktracking |