| Range Addition II | Easy | 58.4% | 100.0% | ArrayMath |
| Fraction Addition and Subtraction | Medium | 66.4% | 91.9% | MathStringSimulation |
| Palindrome Linked List | Easy | 57.5% | 90.2% | Linked ListTwo PointersStack+1 |
| Stickers to Spell Word | Hard | 50.6% | 88.4% | ArrayHash TableString+5 |
| Merge Intervals | Medium | 51.2% | 86.4% | ArraySorting |
| Design Snake Game | Medium | 40.0% | 86.4% | ArrayHash TableDesign+2 |
| Fraction to Recurring Decimal | Medium | 30.6% | 86.4% | Hash TableMathString |
| Merge k Sorted Lists | Hard | 58.9% | 86.4% | Linked ListDivide and ConquerHeap (Priority Queue)+1 |
| Find the Derangement of An Array | Medium | 41.7% | 86.4% | MathDynamic ProgrammingCombinatorics |
| Find Median from Data Stream | Hard | 54.2% | 81.6% | Two PointersDesignSorting+2 |
| Minimum Number of Steps to Make Two Strings Anagram | Medium | 82.5% | 75.5% | Hash TableStringCounting |
| Find Peak Element | Medium | 46.8% | 71.7% | ArrayBinary Search |
| 1-bit and 2-bit Characters | Easy | 49.5% | 66.9% | Array |
| Basic Calculator II | Medium | 46.7% | 66.9% | MathStringStack |
| Insert Delete GetRandom O(1) | Medium | 55.3% | 60.9% | ArrayHash TableMath+2 |
| Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts | Medium | 41.4% | 60.9% | ArrayGreedySorting |
| Course Schedule | Medium | 50.8% | 52.3% | Depth-First SearchBreadth-First SearchGraph+1 |