| Zigzag Conversion | Medium | 53.5% | 100.0% | String |
| LRU Cache | Medium | 46.8% | 87.5% | Hash TableLinked ListDesign+1 |
| Minimum Absolute Difference | Easy | 75.0% | 87.5% | ArraySorting |
| Two Sum | Easy | 57.1% | 75.0% | ArrayHash Table |
| Group Anagrams | Medium | 72.2% | 75.0% | ArrayHash TableString+1 |
| Minimum Non-Zero Product of the Array Elements | Medium | 37.4% | 75.0% | MathGreedyRecursion |
| Merge Intervals | Medium | 51.1% | 75.0% | ArraySorting |
| Word Search | Medium | 46.8% | 75.0% | ArrayStringBacktracking+2 |
| Smallest Greater Multiple Made of Two Digits | Medium | 48.3% | 75.0% | |
| Number of Valid Move Combinations On Chessboard | Hard | 48.7% | 75.0% | ArrayStringBacktracking+1 |
| Number of Islands | Medium | 63.8% | 75.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Count Array Pairs Divisible by K | Hard | 30.5% | 75.0% | ArrayHash TableMath+2 |
| Longest Increasing Subsequence | Medium | 59.0% | 75.0% | ArrayBinary SearchDynamic Programming |
| Time Needed to Rearrange a Binary String | Medium | 52.6% | 75.0% | StringDynamic ProgrammingSimulation |
| Maximum Number of Integers to Choose From a Range I | Medium | 68.0% | 75.0% | ArrayHash TableBinary Search+2 |
| Count the Number of Vowel Strings in Range | Easy | 74.1% | 75.0% | ArrayStringCounting |
| Maximum Frequency Score of a Subarray | Hard | 36.3% | 75.0% | |
| Count Vowel Strings in Ranges | Medium | 67.8% | 75.0% | ArrayStringPrefix Sum |
| Maximum Number of Integers to Choose From a Range II | Medium | 34.8% | 75.0% | |
| Meeting Scheduler | Medium | 55.2% | 75.0% | |
| Paint House III | Hard | 61.2% | 75.0% | ArrayDynamic Programming |
| Maximum Sum Obtained of Any Permutation | Medium | 40.3% | 75.0% | ArrayGreedySorting+1 |
| Coin Change | Medium | 47.9% | 75.0% | ArrayDynamic ProgrammingBreadth-First Search |
| Maximal Square | Medium | 50.0% | 75.0% | ArrayDynamic ProgrammingMatrix |
| Find Words That Can Be Formed by Characters | Easy | 71.5% | 75.0% | ArrayHash TableString+1 |
| Pythagorean Distance Nodes in a Tree | Medium | 57.7% | 75.0% | TreeBreadth-First Search |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 62.5% | Hash TableStringSliding Window |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 62.5% | ArrayDynamic Programming |
| Count Vowel Substrings of a String | Easy | 72.8% | 62.5% | Hash TableString |
| Product of Array Except Self | Medium | 68.6% | 62.5% | ArrayPrefix Sum |
| Pairs of Songs With Total Durations Divisible by 60 | Medium | 53.4% | 62.5% | ArrayHash TableCounting |
| Find the Smallest Divisor Given a Threshold | Medium | 65.4% | 62.5% | ArrayBinary Search |
| House Robber | Medium | 52.9% | 62.5% | ArrayDynamic Programming |
| Maximum Subarray | Medium | 53.0% | 62.5% | ArrayDivide and ConquerDynamic Programming |
| Find Median from Data Stream | Hard | 54.2% | 62.5% | Two PointersDesignSorting+2 |
| Maximum Number of Events That Can Be Attended | Medium | 38.9% | 62.5% | ArrayGreedySorting+1 |
| Last Stone Weight | Easy | 66.3% | 62.5% | ArrayHeap (Priority Queue) |
| Container With Most Water | Medium | 59.5% | 50.0% | ArrayTwo PointersGreedy |
| 3Sum | Medium | 38.6% | 50.0% | ArrayTwo PointersSorting |
| Valid Parentheses | Easy | 43.7% | 50.0% | StringStack |
| Search in Rotated Sorted Array | Medium | 44.1% | 50.0% | ArrayBinary Search |
| Find First and Last Position of Element in Sorted Array | Medium | 48.3% | 50.0% | ArrayBinary Search |
| Sort Colors | Medium | 69.1% | 50.0% | ArrayTwo PointersSorting |
| Merge Sorted Array | Easy | 54.4% | 50.0% | ArrayTwo PointersSorting |
| Maximum Product Subarray | Medium | 36.0% | 50.0% | ArrayDynamic Programming |
| Top K Frequent Elements | Medium | 65.8% | 50.0% | ArrayHash TableDivide and Conquer+5 |
| Minimum Replacements to Sort the Array | Hard | 53.2% | 50.0% | ArrayMathGreedy |
| Subarray Sum Equals K | Medium | 46.8% | 50.0% | ArrayHash TablePrefix Sum |
| Loud and Rich | Medium | 63.2% | 50.0% | ArrayDepth-First SearchGraph Theory+1 |
| Rotate Image | Medium | 79.3% | 50.0% | ArrayMathMatrix |
| Kth Largest Element in an Array | Medium | 68.8% | 50.0% | ArrayDivide and ConquerSorting+2 |
| Minimum Number of Swaps to Make the String Balanced | Medium | 78.1% | 50.0% | Two PointersStringStack+1 |
| Minimum Increment to Make Array Unique | Medium | 60.6% | 50.0% | ArrayGreedySorting+1 |
| Random Pick with Weight | Medium | 48.9% | 50.0% | ArrayMathBinary Search+2 |
| Find Peak Element | Medium | 46.8% | 50.0% | ArrayBinary Search |
| Degree of an Array | Easy | 58.2% | 50.0% | ArrayHash Table |
| Spiral Matrix | Medium | 56.1% | 50.0% | ArrayMatrixSimulation |
| Koko Eating Bananas | Medium | 49.7% | 50.0% | ArrayBinary Search |
| Palindromic Substrings | Medium | 72.5% | 50.0% | Two PointersStringDynamic Programming |
| Longest Consecutive Sequence | Medium | 47.0% | 50.0% | ArrayHash TableUnion-Find |
| Valid Sudoku | Medium | 64.1% | 50.0% | ArrayHash TableMatrix |
| 3Sum Smaller | Medium | 51.3% | 50.0% | |
| Asteroid Collision | Medium | 47.1% | 50.0% | ArrayStackSimulation |
| Reaching Points | Hard | 34.2% | 50.0% | Math |
| Subsets | Medium | 82.0% | 50.0% | ArrayBacktrackingBit Manipulation |
| Smallest String With Swaps | Medium | 60.3% | 50.0% | ArrayHash TableString+4 |
| Top K Frequent Words | Medium | 60.0% | 50.0% | ArrayHash TableString+5 |
| Average Selling Price | Easy | 37.1% | 50.0% | Database |
| Median of Two Sorted Arrays | Hard | 45.9% | 37.5% | ArrayBinary SearchDivide and Conquer |
| Trapping Rain Water | Hard | 66.8% | 37.5% | ArrayTwo PointersDynamic Programming+2 |
| Word Search II | Hard | 38.1% | 37.5% | ArrayStringBacktracking+2 |
| Valid Anagram | Easy | 67.8% | 37.5% | Hash TableStringSorting |
| Text Justification | Hard | 50.4% | 37.5% | ArrayStringSimulation |
| Design Twitter | Medium | 44.2% | 37.5% | Hash TableLinked ListDesign+1 |
| Minimum Number of Removals to Make Mountain Array | Hard | 54.8% | 37.5% | ArrayBinary SearchDynamic Programming+1 |
| Divide Players Into Teams of Equal Skill | Medium | 68.9% | 37.5% | ArrayHash TableTwo Pointers+1 |
| Number of Substrings Containing All Three Characters | Medium | 73.5% | 37.5% | Hash TableStringSliding Window |
| First Missing Positive | Hard | 42.4% | 37.5% | ArrayHash Table |
| Merge In Between Linked Lists | Medium | 82.8% | 37.5% | Linked List |
| Lexicographically Smallest Palindrome | Easy | 80.8% | 37.5% | Two PointersStringGreedy |
| Flatten Deeply Nested Array | Medium | 65.5% | 37.5% | |
| Jump Game | Medium | 40.5% | 37.5% | ArrayDynamic ProgrammingGreedy |
| LFU Cache | Hard | 48.6% | 37.5% | Hash TableLinked ListDesign+1 |
| Happy Number | Easy | 59.2% | 37.5% | Hash TableMathTwo Pointers |
| Course Schedule | Medium | 50.8% | 37.5% | Depth-First SearchBreadth-First SearchGraph Theory+1 |
| Search a 2D Matrix II | Medium | 56.8% | 37.5% | ArrayBinary SearchDivide and Conquer+1 |
| Maximum Profit in Job Scheduling | Hard | 54.6% | 37.5% | ArrayBinary SearchDynamic Programming+1 |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 37.5% | Dynamic ProgrammingTreeDepth-First Search+1 |
| Move Zeroes | Easy | 63.5% | 37.5% | ArrayTwo Pointers |
| Rotting Oranges | Medium | 58.1% | 37.5% | ArrayBreadth-First SearchMatrix |
| Swap Nodes in Pairs | Medium | 68.9% | 37.5% | Linked ListRecursion |
| Remove K Digits | Medium | 36.4% | 37.5% | StringStackGreedy+1 |
| Search Suggestions System | Medium | 65.2% | 37.5% | ArrayStringBinary Search+3 |
| Longest Substring Of All Vowels in Order | Medium | 51.5% | 37.5% | StringSliding Window |
| Serialize and Deserialize Binary Tree | Hard | 60.3% | 37.5% | StringTreeDepth-First Search+3 |
| Climbing Stairs | Easy | 53.9% | 37.5% | MathDynamic ProgrammingMemoization |
| Missing Element in Sorted Array | Medium | 59.7% | 37.5% | |
| Fizz Buzz | Easy | 75.2% | 37.5% | MathStringSimulation |
| Set Matrix Zeroes | Medium | 62.4% | 37.5% | ArrayHash TableMatrix |
| Remove All Adjacent Duplicates in String II | Medium | 60.9% | 37.5% | StringStack |
| Nearest Exit from Entrance in Maze | Medium | 48.3% | 37.5% | ArrayBreadth-First SearchMatrix |
| Maximum Population Year | Easy | 63.6% | 37.5% | ArrayCountingPrefix Sum |
| Longest String Chain | Medium | 62.8% | 37.5% | ArrayHash TableTwo Pointers+3 |
| Minimum Edge Reversals So Every Node Is Reachable | Hard | 57.2% | 37.5% | Dynamic ProgrammingDepth-First SearchBreadth-First Search+1 |
| Insert Interval | Medium | 44.7% | 37.5% | Array |
| Best Time to Buy and Sell Stock III | Hard | 53.1% | 37.5% | ArrayDynamic Programming |