| Zigzag Conversion | Medium | 53.6% | 100.0% | String |
| Minimum Absolute Difference | Easy | 75.0% | 93.0% | ArraySorting |
| Longest Increasing Subsequence | Medium | 59.1% | 87.8% | ArrayBinary SearchDynamic Programming |
| LRU Cache | Medium | 46.8% | 83.0% | Hash TableLinked ListDesign+1 |
| Count Vowel Strings in Ranges | Medium | 67.8% | 83.0% | ArrayStringPrefix Sum |
| Find Words That Can Be Formed by Characters | Easy | 71.5% | 81.1% | ArrayHash TableString+1 |
| Time Needed to Rearrange a Binary String | Medium | 52.6% | 79.1% | StringDynamic ProgrammingSimulation |
| Maximum Frequency Score of a Subarray | Hard | 36.5% | 79.1% | ArrayHash TableMath+2 |
| Meeting Scheduler | Medium | 55.2% | 79.1% | ArrayTwo PointersSorting |
| Maximum Number of Integers to Choose From a Range I | Medium | 68.0% | 79.1% | ArrayHash TableBinary Search+2 |
| Pythagorean Distance Nodes in a Tree | Medium | 57.7% | 76.9% | TreeBreadth-First Search |
| Number of Islands | Medium | 63.8% | 76.9% | ArrayDepth-First SearchBreadth-First Search+2 |
| Word Search | Medium | 46.9% | 76.9% | ArrayStringBacktracking+2 |
| Count the Number of Vowel Strings in Range | Easy | 74.1% | 76.9% | ArrayStringCounting |
| Maximum Number of Integers to Choose From a Range II | Medium | 34.9% | 76.9% | ArrayBinary SearchGreedy+1 |
| Paint House III | Hard | 61.2% | 76.9% | ArrayDynamic Programming |
| Minimum Non-Zero Product of the Array Elements | Medium | 37.4% | 76.9% | MathGreedyRecursion |
| Smallest Greater Multiple Made of Two Digits | Medium | 48.3% | 76.9% | MathEnumeration |
| Number of Valid Move Combinations On Chessboard | Hard | 48.8% | 76.9% | ArrayStringBacktracking+1 |
| Count Array Pairs Divisible by K | Hard | 30.6% | 76.9% | ArrayHash TableMath+2 |
| Maximum Sum Obtained of Any Permutation | Medium | 40.4% | 76.9% | ArrayGreedySorting+1 |
| Maximal Square | Medium | 50.0% | 74.4% | ArrayDynamic ProgrammingMatrix |
| Product of Array Except Self | Medium | 68.6% | 74.4% | ArrayPrefix Sum |
| Coin Change | Medium | 48.0% | 71.7% | ArrayDynamic ProgrammingBreadth-First Search |
| Two Sum | Easy | 57.1% | 68.6% | ArrayHash Table |
| Merge Intervals | Medium | 51.2% | 68.6% | ArraySorting |
| Group Anagrams | Medium | 72.2% | 68.6% | ArrayHash TableString+1 |
| Find the Smallest Divisor Given a Threshold | Medium | 65.5% | 65.0% | ArrayBinary Search |
| Last Stone Weight | Easy | 66.3% | 65.0% | ArrayHeap (Priority Queue) |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 65.0% | Hash TableStringSliding Window |
| Search in Rotated Sorted Array | Medium | 44.1% | 65.0% | ArrayBinary Search |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 65.0% | ArrayDynamic Programming |
| Find Median from Data Stream | Hard | 54.2% | 65.0% | Two PointersDesignSorting+2 |
| Pairs of Songs With Total Durations Divisible by 60 | Medium | 53.4% | 60.7% | ArrayHash TableCounting |
| Maximum Subarray | Medium | 53.0% | 60.7% | ArrayDivide and ConquerDynamic Programming |
| Maximum Number of Events That Can Be Attended | Medium | 38.9% | 60.7% | ArrayGreedySorting+1 |
| House Robber | Medium | 52.9% | 60.7% | ArrayDynamic Programming |
| Asteroid Collision | Medium | 47.2% | 60.7% | ArrayStackSimulation |
| Top K Frequent Elements | Medium | 65.9% | 55.6% | ArrayHash TableDivide and Conquer+5 |
| Random Pick with Weight | Medium | 48.9% | 55.6% | ArrayMathBinary Search+2 |
| Longest Consecutive Sequence | Medium | 47.0% | 55.6% | ArrayHash TableUnion-Find |
| 3Sum Smaller | Medium | 51.3% | 55.6% | ArrayTwo PointersBinary Search+1 |
| Smallest String With Swaps | Medium | 60.4% | 55.6% | ArrayHash TableString+4 |
| Subarray Sum Equals K | Medium | 46.8% | 55.6% | ArrayHash TablePrefix Sum |
| Palindromic Substrings | Medium | 72.6% | 55.6% | Two PointersStringDynamic Programming |
| Valid Sudoku | Medium | 64.2% | 55.6% | ArrayHash TableMatrix |
| Loud and Rich | Medium | 63.2% | 49.0% | ArrayDepth-First SearchGraph Theory+1 |
| Count Vowel Substrings of a String | Easy | 72.9% | 49.0% | Hash TableString |
| Koko Eating Bananas | Medium | 49.7% | 49.0% | ArrayBinary Search |
| Minimum Increment to Make Array Unique | Medium | 60.6% | 49.0% | ArrayGreedySorting+1 |
| Spiral Matrix | Medium | 56.2% | 49.0% | ArrayMatrixSimulation |
| Degree of an Array | Easy | 58.2% | 49.0% | ArrayHash Table |
| Find Peak Element | Medium | 46.8% | 49.0% | ArrayBinary Search |
| Reaching Points | Hard | 34.2% | 49.0% | Math |
| Subsets | Medium | 82.1% | 49.0% | ArrayBacktrackingBit Manipulation |
| Container With Most Water | Medium | 59.6% | 49.0% | ArrayTwo PointersGreedy |
| Top K Frequent Words | Medium | 60.0% | 49.0% | ArrayHash TableString+5 |
| Valid Parentheses | Easy | 43.7% | 49.0% | StringStack |
| LFU Cache | Hard | 48.6% | 49.0% | Hash TableLinked ListDesign+1 |
| Trapping Rain Water | Hard | 66.8% | 49.0% | ArrayTwo PointersDynamic Programming+2 |
| Remove All Adjacent Duplicates in String II | Medium | 60.9% | 49.0% | StringStack |
| Average Selling Price | Easy | 37.1% | 49.0% | Database |
| Find First and Last Position of Element in Sorted Array | Medium | 48.4% | 39.7% | ArrayBinary Search |
| Sort Colors | Medium | 69.2% | 39.7% | ArrayTwo PointersSorting |
| Minimum Replacements to Sort the Array | Hard | 53.2% | 39.7% | ArrayMathGreedy |
| Text Justification | Hard | 50.5% | 39.7% | ArrayStringSimulation |
| Rotate Image | Medium | 79.4% | 39.7% | ArrayMathMatrix |
| Kth Largest Element in an Array | Medium | 68.8% | 39.7% | ArrayDivide and ConquerSorting+2 |
| Minimum Number of Removals to Make Mountain Array | Hard | 54.8% | 39.7% | ArrayBinary SearchDynamic Programming+1 |
| Minimum Number of Swaps to Make the String Balanced | Medium | 78.1% | 39.7% | Two PointersStringStack+1 |
| Divide Players Into Teams of Equal Skill | Medium | 68.9% | 39.7% | ArrayHash TableTwo Pointers+1 |
| Median of Two Sorted Arrays | Hard | 46.0% | 39.7% | ArrayBinary SearchDivide and Conquer |
| Merge In Between Linked Lists | Medium | 82.9% | 39.7% | Linked List |
| Happy Number | Easy | 59.3% | 39.7% | Hash TableMathTwo Pointers |
| Lexicographically Smallest Palindrome | Easy | 80.9% | 39.7% | Two PointersStringGreedy |
| Flatten Deeply Nested Array | Medium | 65.5% | 39.7% | |
| First Missing Positive | Hard | 42.5% | 39.7% | ArrayHash Table |
| Design Twitter | Medium | 44.2% | 39.7% | Hash TableLinked ListDesign+1 |
| Course Schedule | Medium | 50.8% | 39.7% | Depth-First SearchBreadth-First SearchGraph Theory+1 |
| Search a 2D Matrix II | Medium | 56.9% | 39.7% | ArrayBinary SearchDivide and Conquer+1 |
| 3Sum | Medium | 38.6% | 39.7% | ArrayTwo PointersSorting |
| Binary Tree Maximum Path Sum | Hard | 42.0% | 39.7% | Dynamic ProgrammingTreeDepth-First Search+1 |
| Move Zeroes | Easy | 63.6% | 39.7% | ArrayTwo Pointers |
| Valid Anagram | Easy | 67.8% | 39.7% | Hash TableStringSorting |
| Rotting Oranges | Medium | 58.2% | 39.7% | ArrayBreadth-First SearchMatrix |
| Jump Game | Medium | 40.5% | 39.7% | ArrayDynamic ProgrammingGreedy |
| Swap Nodes in Pairs | Medium | 69.0% | 39.7% | Linked ListRecursion |
| Search Suggestions System | Medium | 65.1% | 39.7% | ArrayStringBinary Search+3 |
| Longest Substring Of All Vowels in Order | Medium | 51.6% | 39.7% | StringSliding Window |
| Serialize and Deserialize Binary Tree | Hard | 60.4% | 39.7% | StringTreeDepth-First Search+3 |
| Climbing Stairs | Easy | 53.9% | 39.7% | MathDynamic ProgrammingMemoization |
| Missing Element in Sorted Array | Medium | 59.7% | 39.7% | ArrayBinary Search |
| Longest Palindromic Substring | Medium | 37.4% | 39.7% | Two PointersStringDynamic Programming |
| Fizz Buzz | Easy | 75.3% | 39.7% | MathStringSimulation |
| Combination Sum | Medium | 76.1% | 39.7% | ArrayBacktracking |
| Nearest Exit from Entrance in Maze | Medium | 48.3% | 39.7% | ArrayBreadth-First SearchMatrix |
| Maximum Population Year | Easy | 63.7% | 39.7% | ArrayCountingPrefix Sum |
| Longest String Chain | Medium | 62.8% | 39.7% | ArrayHash TableTwo Pointers+3 |
| Minimum Edge Reversals So Every Node Is Reachable | Hard | 57.3% | 39.7% | Dynamic ProgrammingDepth-First SearchBreadth-First Search+1 |
| Insert Interval | Medium | 44.8% | 39.7% | Array |
| Maximum Product Subarray | Medium | 36.0% | 39.7% | ArrayDynamic Programming |
| Best Time to Buy and Sell Stock III | Hard | 53.2% | 39.7% | ArrayDynamic Programming |
| First Unique Character in a String | Easy | 65.1% | 39.7% | Hash TableStringQueue+1 |
| Find the Index of the First Occurrence in a String | Easy | 46.3% | 39.7% | Two PointersStringString Matching |
| Non-overlapping Intervals | Medium | 56.7% | 39.7% | ArrayDynamic ProgrammingGreedy+1 |