| Design Authentication Manager | Medium | 58.4% | 100.0% | Hash TableLinked ListDesign+1 |
| Copy List with Random Pointer | Medium | 62.4% | 87.5% | Hash TableLinked List |
| Implement Trie (Prefix Tree) | Medium | 69.2% | 87.5% | Hash TableStringDesign+1 |
| Find Maximum Area of a Triangle | Medium | 29.0% | 87.5% | ArrayHash TableMath+3 |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 75.0% | Hash TableStringSliding Window |
| Rotting Oranges | Medium | 58.1% | 75.0% | ArrayBreadth-First SearchMatrix |
| Merge Intervals | Medium | 51.1% | 75.0% | ArraySorting |
| LRU Cache | Medium | 46.8% | 75.0% | Hash TableLinked ListDesign+1 |
| Find Median from Data Stream | Hard | 54.2% | 75.0% | Two PointersDesignSorting+2 |
| Inorder Successor in BST | Medium | 51.1% | 75.0% | |
| Insert Delete GetRandom O(1) | Medium | 55.3% | 75.0% | ArrayHash TableMath+2 |
| Integer to Roman | Medium | 70.4% | 75.0% | Hash TableMathString |
| Search Suggestions System | Medium | 65.2% | 75.0% | ArrayStringBinary Search+3 |
| Number of Islands | Medium | 63.8% | 75.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Logger Rate Limiter | Easy | 76.8% | 75.0% | |
| Top K Frequent Elements | Medium | 65.8% | 62.5% | ArrayHash TableDivide and Conquer+5 |
| Palindrome Permutation | Easy | 68.6% | 62.5% | |
| Excel Sheet Column Number | Easy | 67.2% | 62.5% | MathString |
| Shortest Bridge | Medium | 59.3% | 62.5% | ArrayDepth-First SearchBreadth-First Search+1 |
| Count Good Nodes in Binary Tree | Medium | 73.8% | 62.5% | TreeDepth-First SearchBreadth-First Search+1 |
| Design Add and Search Words Data Structure | Medium | 48.1% | 62.5% | StringDepth-First SearchDesign+1 |
| Number of Atoms | Hard | 65.1% | 62.5% | Hash TableStringStack+1 |
| House Robber II | Medium | 44.6% | 62.5% | ArrayDynamic Programming |
| Meeting Rooms II | Medium | 52.5% | 62.5% | |
| Merge k Sorted Lists | Hard | 58.8% | 62.5% | Linked ListDivide and ConquerHeap (Priority Queue)+1 |
| House Robber III | Medium | 55.6% | 62.5% | Dynamic ProgrammingTreeDepth-First Search+1 |
| Minimum Cost to Make at Least One Valid Path in a Grid | Hard | 70.9% | 62.5% | ArrayBreadth-First SearchGraph Theory+3 |
| Longest Repeating Character Replacement | Medium | 59.0% | 62.5% | Hash TableStringSliding Window |
| Word Ladder | Hard | 44.9% | 62.5% | Hash TableStringBreadth-First Search |
| Merge Two Sorted Lists | Easy | 67.9% | 62.5% | Linked ListRecursion |
| Task Scheduler | Medium | 62.6% | 62.5% | ArrayHash TableGreedy+3 |
| Group Anagrams | Medium | 72.2% | 62.5% | ArrayHash TableString+1 |
| Spiral Matrix IV | Medium | 82.3% | 62.5% | ArrayLinked ListMatrix+1 |
| Find All Possible Recipes from Given Supplies | Medium | 56.8% | 62.5% | ArrayHash TableString+2 |