| Number of Islands | Medium | 63.8% | 100.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Course Schedule II | Medium | 55.0% | 82.3% | Depth-First SearchBreadth-First SearchGraph Theory+1 |
| Video Stitching | Medium | 52.5% | 82.3% | ArrayDynamic ProgrammingGreedy |
| Daily Temperatures | Medium | 68.4% | 80.7% | ArrayStackMonotonic Stack |
| Heaters | Medium | 41.4% | 80.7% | ArrayTwo PointersBinary Search+1 |
| Shortest Word Distance | Easy | 66.2% | 80.7% | ArrayString |
| Course Schedule | Medium | 50.8% | 80.7% | Depth-First SearchBreadth-First SearchGraph Theory+1 |
| Maximum Number of Visible Points | Hard | 38.0% | 76.8% | ArrayMathGeometry+2 |
| Making A Large Island | Hard | 56.3% | 76.8% | ArrayDepth-First SearchBreadth-First Search+2 |
| Group Anagrams | Medium | 72.2% | 74.6% | ArrayHash TableString+1 |
| Search Suggestions System | Medium | 65.1% | 74.6% | ArrayStringBinary Search+3 |
| Find Median from Data Stream | Hard | 54.2% | 74.6% | Two PointersDesignSorting+2 |
| Shortest Word Distance II | Medium | 62.7% | 69.3% | ArrayHash TableTwo Pointers+2 |
| Merge Intervals | Medium | 51.2% | 66.0% | ArraySorting |
| Rotting Oranges | Medium | 58.2% | 62.2% | ArrayBreadth-First SearchMatrix |
| Queries on Number of Points Inside a Circle | Medium | 86.8% | 62.2% | ArrayMathGeometry |
| Race Car | Hard | 44.6% | 62.2% | Dynamic Programming |
| Spiral Matrix | Medium | 56.2% | 62.2% | ArrayMatrixSimulation |
| Merge k Sorted Lists | Hard | 58.9% | 62.2% | Linked ListDivide and ConquerHeap (Priority Queue)+1 |
| Ransom Note | Easy | 65.7% | 57.5% | Hash TableStringCounting |
| Shortest Path in Binary Matrix | Medium | 51.1% | 57.5% | ArrayBreadth-First SearchMatrix |
| String Compression | Medium | 59.6% | 57.5% | Two PointersString |
| Time Based Key-Value Store | Medium | 49.7% | 57.5% | Hash TableStringBinary Search+1 |
| Minimum Rounds to Complete All Tasks | Medium | 63.2% | 57.5% | ArrayHash TableGreedy+1 |
| Push Dominoes | Medium | 63.0% | 57.5% | Two PointersStringDynamic Programming |
| Meeting Rooms II | Medium | 52.6% | 57.5% | ArrayTwo PointersGreedy+3 |
| Buildings With an Ocean View | Medium | 80.9% | 51.5% | ArrayStackMonotonic Stack |
| Brace Expansion | Medium | 66.8% | 51.5% | StringBacktrackingStack+2 |
| Insert into a Binary Search Tree | Medium | 73.4% | 51.5% | TreeBinary Search TreeBinary Tree |
| Word Break II | Hard | 55.1% | 51.5% | ArrayHash TableString+4 |
| Game of Life | Medium | 72.4% | 51.5% | ArrayMatrixSimulation |
| Insert into a Sorted Circular Linked List | Medium | 38.5% | 51.5% | Linked List |
| Minesweeper | Medium | 68.7% | 51.5% | ArrayDepth-First SearchBreadth-First Search+1 |
| Valid Parentheses | Easy | 43.7% | 51.5% | StringStack |
| Evaluate Reverse Polish Notation | Medium | 57.1% | 51.5% | ArrayMathStack |
| Palindromic Substrings | Medium | 72.6% | 51.5% | Two PointersStringDynamic Programming |
| Snakes and Ladders | Medium | 48.0% | 51.5% | ArrayBreadth-First SearchMatrix |
| Find the Duplicate Number | Medium | 64.0% | 51.5% | ArrayTwo PointersBinary Search+1 |
| Accounts Merge | Medium | 60.9% | 51.5% | ArrayHash TableString+4 |
| Verifying an Alien Dictionary | Easy | 55.9% | 51.5% | ArrayHash TableString |
| Binary Tree Inorder Traversal | Easy | 79.7% | 43.0% | StackTreeDepth-First Search+1 |
| Balanced Binary Tree | Easy | 57.9% | 43.0% | TreeDepth-First SearchBinary Tree |
| Binary Tree Vertical Order Traversal | Medium | 57.8% | 43.0% | Hash TableTreeDepth-First Search+3 |
| Flip Equivalent Binary Trees | Medium | 69.6% | 43.0% | TreeDepth-First SearchBinary Tree |
| Search in Rotated Sorted Array | Medium | 44.1% | 43.0% | ArrayBinary Search |
| Move Zeroes | Easy | 63.6% | 43.0% | ArrayTwo Pointers |
| Number of Distinct Islands | Medium | 62.7% | 43.0% | ArrayHash TableDepth-First Search+5 |
| Flatten Binary Tree to Linked List | Medium | 70.2% | 43.0% | Linked ListStackTree+2 |
| Two Sum | Easy | 57.1% | 43.0% | ArrayHash Table |
| Surrounded Regions | Medium | 44.8% | 43.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Max Area of Island | Medium | 73.8% | 43.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| LRU Cache | Medium | 46.8% | 43.0% | Hash TableLinked ListDesign+1 |
| Rotate Image | Medium | 79.4% | 43.0% | ArrayMathMatrix |
| House Robber | Medium | 52.9% | 43.0% | ArrayDynamic Programming |
| Minimum Window Substring | Hard | 47.0% | 43.0% | Hash TableStringSliding Window |