| Simple Bank System | Medium | 69.8% | 100.0% | ArrayHash TableDesign+1 |
| Spiral Matrix | Medium | 56.2% | 92.8% | ArrayMatrixSimulation |
| Block Placement Queries | Hard | 18.4% | 92.0% | ArrayBinary SearchBinary Indexed Tree+1 |
| Text Justification | Hard | 50.5% | 82.9% | ArrayStringSimulation |
| Minimum Operations to Write the Letter Y on a Grid | Medium | 64.3% | 81.6% | ArrayHash TableMatrix+1 |
| Candy Crush | Medium | 77.3% | 75.3% | ArrayTwo PointersMatrix+1 |
| Count Alternating Subarrays | Medium | 57.3% | 75.3% | ArrayMath |
| Rotate Image | Medium | 79.4% | 73.4% | ArrayMathMatrix |
| Four Divisors | Medium | 56.6% | 73.4% | ArrayMath |
| Simplify Path | Medium | 50.0% | 71.2% | StringStack |
| Count Operations to Obtain Zero | Easy | 79.8% | 71.2% | MathSimulation |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium | 57.4% | 68.9% | ArrayQueueSliding Window+3 |
| Split Message Based on Limit | Hard | 42.0% | 68.9% | StringBinary SearchEnumeration |
| Rotating the Box | Medium | 79.2% | 66.1% | ArrayTwo PointersMatrix |
| Number of Black Blocks | Medium | 41.5% | 63.0% | ArrayHash TableEnumeration |
| Count Prefix and Suffix Pairs II | Hard | 28.1% | 59.3% | ArrayStringTrie+3 |
| Largest Rectangle in Histogram | Hard | 49.4% | 59.3% | ArrayStackMonotonic Stack |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 59.3% | ArrayDynamic Programming |
| Remove Boxes | Hard | 49.3% | 59.3% | ArrayDynamic ProgrammingMemoization |
| Find the Length of the Longest Common Prefix | Medium | 57.0% | 59.3% | ArrayHash TableString+1 |
| Number of Flowers in Full Bloom | Hard | 57.7% | 59.3% | ArrayHash TableBinary Search+3 |
| Number of Subarrays That Match a Pattern I | Medium | 68.4% | 54.8% | ArrayRolling HashString Matching+1 |
| Palindrome Number | Easy | 60.3% | 54.8% | Math |
| Word Search | Medium | 46.9% | 54.8% | ArrayStringBacktracking+2 |
| Coin Change | Medium | 48.0% | 54.8% | ArrayDynamic ProgrammingBreadth-First Search |
| Design File System | Medium | 65.1% | 54.8% | Hash TableStringDesign+1 |
| Merge Intervals | Medium | 51.2% | 49.0% | ArraySorting |
| Add Strings | Easy | 52.1% | 49.0% | MathStringSimulation |
| Non-overlapping Intervals | Medium | 56.7% | 49.0% | ArrayDynamic ProgrammingGreedy+1 |
| Number of Islands | Medium | 63.8% | 49.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Word Search II | Hard | 38.1% | 49.0% | ArrayStringBacktracking+2 |
| Add Two Numbers | Medium | 48.0% | 49.0% | Linked ListMathRecursion |
| Binary Tree Paths | Easy | 68.2% | 49.0% | StringBacktrackingTree+2 |
| Number of Adjacent Elements With the Same Color | Medium | 58.1% | 40.8% | Array |
| LRU Cache | Medium | 46.8% | 40.8% | Hash TableLinked ListDesign+1 |
| Merge Two Sorted Lists | Easy | 68.0% | 40.8% | Linked ListRecursion |
| K-diff Pairs in an Array | Medium | 45.6% | 40.8% | ArrayHash TableTwo Pointers+2 |
| Meeting Rooms II | Medium | 52.6% | 40.8% | ArrayTwo PointersGreedy+3 |
| Rotate Array | Medium | 44.5% | 40.8% | ArrayMathTwo Pointers |
| Roman to Integer | Easy | 66.3% | 40.8% | Hash TableMathString |
| Valid Parentheses | Easy | 43.7% | 40.8% | StringStack |
| Find Servers That Handled Most Number of Requests | Hard | 45.2% | 40.8% | ArrayGreedyHeap (Priority Queue)+1 |
| Get Biggest Three Rhombus Sums in a Grid | Medium | 50.1% | 40.8% | ArrayMathSorting+3 |
| Reverse Nodes in k-Group | Hard | 65.4% | 40.8% | Linked ListRecursion |
| Best Time to Buy and Sell Stock II | Medium | 70.8% | 40.8% | ArrayDynamic ProgrammingGreedy |
| Minimum Absolute Difference Between Elements With Constraint | Medium | 37.2% | 40.8% | ArrayBinary SearchOrdered Set |
| Count Prefix and Suffix Pairs I | Easy | 77.8% | 40.8% | ArrayStringTrie+3 |