| The Earliest Moment When Everyone Become Friends | Medium | 65.9% | 100.0% | |
| Minimum Swaps to Group All 1's Together | Medium | 61.2% | 100.0% | |
| Break a Palindrome | Medium | 51.6% | 100.0% | StringGreedy |
| Unique Substrings With Equal Digit Frequency | Medium | 64.5% | 100.0% | |
| Valid Word | Easy | 50.9% | 100.0% | String |
| Find the Smallest Divisor Given a Threshold | Medium | 65.4% | 100.0% | ArrayBinary Search |
| Minimum Replacements to Sort the Array | Hard | 53.2% | 100.0% | ArrayMathGreedy |
| String Compression | Medium | 59.5% | 100.0% | Two PointersString |
| Divide Players Into Teams of Equal Skill | Medium | 68.9% | 100.0% | ArrayHash TableTwo Pointers+1 |
| Rearrange Words in a Sentence | Medium | 66.9% | 100.0% | StringSorting |
| The kth Factor of n | Medium | 70.2% | 100.0% | MathNumber Theory |
| Valid Triangle Number | Medium | 56.7% | 100.0% | ArrayTwo PointersBinary Search+2 |
| Number of Good Binary Strings | Medium | 52.7% | 100.0% | |
| Most Visited Sector in a Circular Track | Easy | 59.8% | 100.0% | ArraySimulation |
| Minimum One Bit Operations to Make Integers Zero | Hard | 78.4% | 100.0% | MathDynamic ProgrammingBit Manipulation+2 |
| Valid Parentheses | Easy | 43.7% | 87.5% | StringStack |
| Remove Duplicate Letters | Medium | 52.8% | 87.5% | StringStackGreedy+1 |
| Minimum Number of Swaps to Make the String Balanced | Medium | 78.1% | 75.0% | Two PointersStringStack+1 |
| Group Anagrams | Medium | 72.2% | 75.0% | ArrayHash TableString+1 |
| Number of Visible People in a Queue | Hard | 72.3% | 75.0% | ArrayStackMonotonic Stack |
| Minimum Number of Chairs in a Waiting Room | Easy | 79.2% | 75.0% | StringSimulation |
| Maximum Palindromes After Operations | Medium | 45.6% | 75.0% | ArrayHash TableString+3 |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 62.5% | Hash TableStringSliding Window |
| Max Consecutive Ones III | Medium | 67.3% | 62.5% | ArrayBinary SearchSliding Window+1 |
| House Robber | Medium | 52.9% | 62.5% | ArrayDynamic Programming |
| Number of Islands | Medium | 63.8% | 62.5% | ArrayDepth-First SearchBreadth-First Search+2 |
| Trapping Rain Water | Hard | 66.8% | 62.5% | ArrayTwo PointersDynamic Programming+2 |
| Roman to Integer | Easy | 66.2% | 62.5% | Hash TableMathString |
| Merge Intervals | Medium | 51.1% | 62.5% | ArraySorting |
| Count Vowel Substrings of a String | Easy | 72.8% | 62.5% | Hash TableString |
| Flip String to Monotone Increasing | Medium | 61.8% | 62.5% | StringDynamic Programming |
| Remove Stones to Minimize the Total | Medium | 65.5% | 62.5% | ArrayGreedyHeap (Priority Queue) |
| Count and Say | Medium | 62.3% | 62.5% | String |
| Count Number of Pairs With Absolute Difference K | Easy | 85.3% | 50.0% | ArrayHash TableCounting |
| Set Matrix Zeroes | Medium | 62.4% | 50.0% | ArrayHash TableMatrix |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 50.0% | ArrayDynamic Programming |
| Least Number of Unique Integers after K Removals | Medium | 63.7% | 50.0% | ArrayHash TableGreedy+2 |
| LRU Cache | Medium | 46.8% | 50.0% | Hash TableLinked ListDesign+1 |
| Find the Index of the First Occurrence in a String | Easy | 46.2% | 50.0% | Two PointersStringString Matching |
| Two Sum | Easy | 57.1% | 50.0% | ArrayHash Table |
| Degree of an Array | Easy | 58.2% | 50.0% | ArrayHash Table |
| Rotting Oranges | Medium | 58.1% | 50.0% | ArrayBreadth-First SearchMatrix |
| Container With Most Water | Medium | 59.5% | 50.0% | ArrayTwo PointersGreedy |
| Generate Parentheses | Medium | 78.2% | 50.0% | StringDynamic ProgrammingBacktracking |
| Verify Preorder Sequence in Binary Search Tree | Medium | 51.7% | 50.0% | |
| Kth Smallest Element in a BST | Medium | 76.5% | 50.0% | TreeDepth-First SearchBinary Search Tree+1 |
| Find Pivot Index | Easy | 62.1% | 50.0% | ArrayPrefix Sum |
| Word Ladder | Hard | 44.9% | 50.0% | Hash TableStringBreadth-First Search |
| Reorganize String | Medium | 56.8% | 50.0% | Hash TableStringGreedy+3 |
| Cheapest Flights Within K Stops | Medium | 41.4% | 50.0% | Dynamic ProgrammingDepth-First SearchBreadth-First Search+3 |
| Minimum Value to Get Positive Step by Step Sum | Easy | 64.6% | 50.0% | ArrayPrefix Sum |
| Maximum Points You Can Obtain from Cards | Medium | 57.2% | 50.0% | ArraySliding WindowPrefix Sum |
| Letter Combinations of a Phone Number | Medium | 65.5% | 50.0% | Hash TableStringBacktracking |
| Sliding Window Maximum | Hard | 48.4% | 50.0% | ArrayQueueSliding Window+2 |