| Design Hit Counter | Medium | 69.6% | 100.0% | ArrayBinary SearchDesign+2 |
| IP to CIDR | Medium | 53.6% | 97.2% | StringBit Manipulation |
| Design Tic-Tac-Toe | Medium | 58.7% | 93.6% | ArrayHash TableDesign+2 |
| House Robber | Medium | 52.9% | 85.0% | ArrayDynamic Programming |
| Find All Anagrams in a String | Medium | 53.3% | 83.6% | Hash TableStringSliding Window |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium | 56.4% | 83.6% | StringTreeDepth-First Search+1 |
| Time Based Key-Value Store | Medium | 49.7% | 82.2% | Hash TableStringBinary Search+1 |
| House Robber II | Medium | 44.6% | 79.8% | ArrayDynamic Programming |
| RLE Iterator | Medium | 59.2% | 65.2% | ArrayDesignCounting+1 |
| Longest Palindrome by Concatenating Two Letter Words | Medium | 53.5% | 65.2% | ArrayHash TableString+2 |
| Closest Leaf in a Binary Tree | Medium | 47.4% | 65.2% | TreeDepth-First SearchBreadth-First Search+1 |
| Shortest Path in a Grid with Obstacles Elimination | Hard | 46.1% | 63.2% | ArrayBreadth-First SearchMatrix |
| Number of Recent Calls | Easy | 78.2% | 63.2% | DesignQueueData Stream |
| Snapshot Array | Medium | 36.7% | 61.0% | ArrayHash TableBinary Search+1 |
| Text Justification | Hard | 50.5% | 55.7% | ArrayStringSimulation |
| Split Message Based on Limit | Hard | 42.0% | 55.7% | StringEnumeration |
| Unique Paths III | Hard | 82.8% | 52.3% | ArrayBacktrackingBit Manipulation+1 |
| Permutation in String | Medium | 48.5% | 52.3% | Hash TableTwo PointersString+1 |
| Number of Flowers in Full Bloom | Hard | 57.7% | 42.8% | ArrayHash TableBinary Search+3 |
| Longest Mountain in Array | Medium | 41.9% | 42.8% | ArrayTwo PointersDynamic Programming+1 |
| Spiral Matrix | Medium | 56.2% | 42.8% | ArrayMatrixSimulation |
| Shortest Path in Binary Matrix | Medium | 51.1% | 42.8% | ArrayBreadth-First SearchMatrix |
| Minimum Cost to Reach Destination in Time | Hard | 41.2% | 42.8% | ArrayDynamic ProgrammingGraph Theory |
| Minimum Knight Moves | Medium | 41.8% | 42.8% | Breadth-First Search |
| Find the Length of the Longest Common Prefix | Medium | 57.0% | 35.4% | ArrayHash TableString+1 |
| Finding Pairs With a Certain Sum | Medium | 61.6% | 35.4% | ArrayHash TableDesign |
| String to Integer (atoi) | Medium | 20.6% | 35.4% | String |
| Merge Intervals | Medium | 51.2% | 35.4% | ArraySorting |
| Count Integers in Intervals | Hard | 35.7% | 35.4% | DesignSegment TreeOrdered Set |
| Rotting Oranges | Medium | 58.2% | 35.4% | ArrayBreadth-First SearchMatrix |
| Two Sum | Easy | 57.1% | 35.4% | ArrayHash Table |