| Longest Palindromic Substring | Medium | 37.4% | 100.0% | Two PointersStringDynamic Programming |
| House Robber | Medium | 52.9% | 98.1% | ArrayDynamic Programming |
| Predict the Winner | Medium | 56.1% | 98.1% | ArrayMathDynamic Programming+2 |
| Lucky Numbers in a Matrix | Easy | 80.0% | 84.8% | ArrayMatrix |
| Rotate Image | Medium | 79.4% | 84.8% | ArrayMathMatrix |
| Spiral Matrix | Medium | 56.2% | 84.1% | ArrayMatrixSimulation |
| Fizz Buzz | Easy | 75.3% | 69.8% | MathStringSimulation |
| LRU Cache | Medium | 46.8% | 66.8% | Hash TableLinked ListDesign+1 |
| Snakes and Ladders | Medium | 48.0% | 66.8% | ArrayBreadth-First SearchMatrix |
| Number of Valid Words in a Sentence | Easy | 31.0% | 66.8% | String |
| Maximum Difference Between Increasing Elements | Easy | 66.5% | 65.1% | Array |
| Merge Intervals | Medium | 51.2% | 65.1% | ArraySorting |
| Find Third Transaction | Medium | 53.7% | 65.1% | Database |
| Implement Router | Medium | 39.1% | 63.2% | ArrayHash TableBinary Search+3 |
| Word Search II | Hard | 38.1% | 63.2% | ArrayStringBacktracking+2 |
| Maximum Subarray | Medium | 53.0% | 63.2% | ArrayDivide and ConquerDynamic Programming |
| Find the Largest Area of Square Inside Two Rectangles | Medium | 66.9% | 63.2% | ArrayMathGeometry |
| Check if Binary String Has at Most One Segment of Ones | Easy | 39.4% | 63.2% | String |
| Sum of k-Mirror Numbers | Hard | 63.8% | 63.2% | MathEnumeration |
| Minimum Cost to Make Array Equal | Hard | 46.7% | 63.2% | ArrayBinary SearchGreedy+2 |
| Number of Equal Count Substrings | Medium | 45.3% | 63.2% | Hash TableStringSliding Window+1 |
| Max Points on a Line | Hard | 30.3% | 58.9% | ArrayHash TableMath+1 |
| Stone Game | Medium | 72.8% | 58.9% | ArrayMathDynamic Programming+1 |
| Happy Number | Easy | 59.3% | 58.9% | Hash TableMathTwo Pointers |
| Two Sum | Easy | 57.1% | 58.9% | ArrayHash Table |
| Cherry Pickup | Hard | 39.1% | 56.3% | ArrayDynamic ProgrammingMatrix |
| Valid Parentheses | Easy | 43.7% | 56.3% | StringStack |
| Trapping Rain Water | Hard | 66.8% | 56.3% | ArrayTwo PointersDynamic Programming+2 |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 53.2% | Hash TableStringSliding Window |
| Linked List Cycle | Easy | 53.9% | 49.7% | Hash TableLinked ListTwo Pointers |
| Merge Sorted Array | Easy | 54.4% | 49.7% | ArrayTwo PointersSorting |
| Remove Boxes | Hard | 49.3% | 49.7% | ArrayDynamic ProgrammingMemoization |
| Decode String | Medium | 62.3% | 49.7% | StringStackRecursion |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 49.7% | ArrayDynamic Programming |
| Letter Combinations of a Phone Number | Medium | 65.5% | 45.3% | Hash TableStringBacktracking |
| Number of Islands | Medium | 63.8% | 45.3% | ArrayDepth-First SearchBreadth-First Search+2 |
| Move Zeroes | Easy | 63.6% | 45.3% | ArrayTwo Pointers |
| Reverse Linked List | Easy | 80.3% | 45.3% | Linked ListRecursion |
| Search a 2D Matrix | Medium | 53.6% | 45.3% | ArrayBinary SearchMatrix |
| Strange Printer | Hard | 60.9% | 45.3% | StringDynamic Programming |
| 3Sum | Medium | 38.6% | 45.3% | ArrayTwo PointersSorting |
| Longest Consecutive Sequence | Medium | 47.0% | 45.3% | ArrayHash TableUnion Find |
| Remove Duplicates from Sorted Array | Easy | 62.3% | 39.8% | ArrayTwo Pointers |
| Meeting Rooms II | Medium | 52.6% | 39.8% | ArrayTwo PointersGreedy+3 |
| Permutation in String | Medium | 48.5% | 39.8% | Hash TableTwo PointersString+1 |
| Word Search | Medium | 46.9% | 39.8% | ArrayStringBacktracking+2 |
| Add Two Numbers | Medium | 48.0% | 39.8% | Linked ListMathRecursion |
| Gas Station | Medium | 47.5% | 39.8% | ArrayGreedy |
| Expressive Words | Medium | 46.7% | 39.8% | ArrayTwo PointersString |
| Single Number | Easy | 77.4% | 39.8% | ArrayBit Manipulation |
| Group Anagrams | Medium | 72.2% | 39.8% | ArrayHash TableString+1 |
| Find Servers That Handled Most Number of Requests | Hard | 45.2% | 39.8% | ArrayGreedyHeap (Priority Queue)+1 |
| Valid Palindrome | Easy | 52.8% | 39.8% | Two PointersString |
| Top K Frequent Elements | Medium | 65.9% | 39.8% | ArrayHash TableDivide and Conquer+5 |
| Validate IP Address | Medium | 28.2% | 39.8% | String |
| Insert Delete GetRandom O(1) | Medium | 55.3% | 39.8% | ArrayHash TableMath+2 |
| Merge k Sorted Lists | Hard | 58.9% | 39.8% | Linked ListDivide and ConquerHeap (Priority Queue)+1 |
| Jump Game | Medium | 40.5% | 32.0% | ArrayDynamic ProgrammingGreedy |
| Count of Integers | Hard | 38.2% | 32.0% | MathStringDynamic Programming |
| Find Minimum in Rotated Sorted Array | Medium | 53.8% | 32.0% | ArrayBinary Search |
| Unique Paths | Medium | 66.6% | 32.0% | MathDynamic ProgrammingCombinatorics |
| Restore IP Addresses | Medium | 55.3% | 32.0% | StringBacktracking |
| Subarray Sum Equals K | Medium | 46.8% | 32.0% | ArrayHash TablePrefix Sum |
| Missing Number | Easy | 71.7% | 32.0% | ArrayHash TableMath+3 |
| Reverse Words in a String | Medium | 55.6% | 32.0% | Two PointersString |
| Design Browser History | Medium | 78.2% | 32.0% | ArrayLinked ListStack+3 |
| Beautiful Arrangement | Medium | 64.7% | 32.0% | ArrayDynamic ProgrammingBacktracking+2 |
| Unique Paths II | Medium | 44.2% | 32.0% | ArrayDynamic ProgrammingMatrix |
| Number of 1 Bits | Easy | 76.4% | 32.0% | Divide and ConquerBit Manipulation |
| Product of Array Except Self | Medium | 68.6% | 32.0% | ArrayPrefix Sum |
| Remove K Digits | Medium | 36.4% | 32.0% | StringStackGreedy+1 |
| Longest Palindromic Subsequence | Medium | 65.1% | 32.0% | StringDynamic Programming |
| Maximum Product of Two Elements in an Array | Easy | 83.5% | 32.0% | ArraySortingHeap (Priority Queue) |
| Palindromic Substrings | Medium | 72.6% | 32.0% | Two PointersStringDynamic Programming |
| Climbing Stairs | Easy | 53.9% | 32.0% | MathDynamic ProgrammingMemoization |
| Pascal's Triangle | Easy | 78.7% | 32.0% | ArrayDynamic Programming |
| Min Stack | Medium | 57.7% | 32.0% | StackDesign |
| Two Sum IV - Input is a BST | Easy | 63.0% | 32.0% | Hash TableTwo PointersTree+4 |
| Edit Distance | Medium | 60.2% | 32.0% | StringDynamic Programming |
| Rising Temperature | Easy | 51.0% | 32.0% | Database |
| Can Place Flowers | Easy | 29.1% | 32.0% | ArrayGreedy |
| Kth Smallest Element in a BST | Medium | 76.5% | 32.0% | TreeDepth-First SearchBinary Search Tree+1 |
| Zigzag Conversion | Medium | 53.6% | 32.0% | String |
| Permutations | Medium | 81.7% | 32.0% | ArrayBacktracking |
| Sliding Window Maximum | Hard | 48.5% | 32.0% | ArrayQueueSliding Window+2 |
| Compare Version Numbers | Medium | 46.1% | 32.0% | Two PointersString |
| Largest Rectangle in Histogram | Hard | 49.4% | 32.0% | ArrayStackMonotonic Stack |