| Longest Substring Without Repeating Characters | Medium | 38.5% | 100.0% | Hash TableStringSliding Window |
| Minimum Cost For Tickets | Medium | 67.4% | 87.5% | ArrayDynamic Programming |
| Valid Parentheses | Easy | 43.7% | 87.5% | StringStack |
| Baseball Game | Easy | 80.0% | 87.5% | ArrayStackSimulation |
| Validate IP Address | Medium | 28.2% | 87.5% | String |
| Longest Common Prefix | Easy | 47.1% | 75.0% | ArrayStringTrie |
| Koko Eating Bananas | Medium | 49.7% | 75.0% | ArrayBinary Search |
| Minimum Length of Anagram Concatenation | Medium | 39.8% | 75.0% | Hash TableStringCounting |
| Maximum Subarray | Medium | 53.0% | 62.5% | ArrayDivide and ConquerDynamic Programming |
| Merge Intervals | Medium | 51.1% | 62.5% | ArraySorting |
| Product of Array Except Self | Medium | 68.6% | 62.5% | ArrayPrefix Sum |
| Longest Palindromic Substring | Medium | 37.3% | 62.5% | Two PointersStringDynamic Programming |
| Partition Array Into Three Parts With Equal Sum | Easy | 42.5% | 62.5% | ArrayGreedy |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 62.5% | ArrayDynamic Programming |
| Apply Operations to Make Sum of Array Greater Than or Equal to k | Medium | 44.2% | 62.5% | MathGreedyEnumeration |
| Minimum Number of Operations to Satisfy Conditions | Medium | 41.7% | 62.5% | ArrayDynamic ProgrammingMatrix |
| Two Sum | Easy | 57.1% | 62.5% | ArrayHash Table |
| Longest Arithmetic Subsequence | Medium | 49.9% | 62.5% | ArrayHash TableBinary Search+1 |
| Minimum Adjacent Swaps for K Consecutive Ones | Hard | 42.3% | 62.5% | ArrayGreedySliding Window+1 |
| Regular Expression Matching | Hard | 30.4% | 50.0% | StringDynamic ProgrammingRecursion |
| Find the Town Judge | Easy | 50.5% | 50.0% | ArrayHash TableGraph Theory |
| Find Duplicate File in System | Medium | 67.6% | 50.0% | ArrayHash TableString |
| Consecutive Numbers | Medium | 47.8% | 50.0% | Database |
| Degree of an Array | Easy | 58.2% | 50.0% | ArrayHash Table |
| Number of Islands | Medium | 63.8% | 50.0% | ArrayDepth-First SearchBreadth-First Search+2 |
| Maximum Repeating Substring | Easy | 41.1% | 50.0% | StringDynamic ProgrammingString Matching |
| Kth Largest Element in an Array | Medium | 68.8% | 50.0% | ArrayDivide and ConquerSorting+2 |
| Find All Anagrams in a String | Medium | 53.3% | 50.0% | Hash TableStringSliding Window |
| Reverse Only Letters | Easy | 68.1% | 50.0% | Two PointersString |
| Find First and Last Position of Element in Sorted Array | Medium | 48.3% | 50.0% | ArrayBinary Search |
| Race Car | Hard | 44.6% | 50.0% | Dynamic Programming |
| Jump Game | Medium | 40.5% | 50.0% | ArrayDynamic ProgrammingGreedy |
| Minimum Number of Operations to Make Word K-Periodic | Medium | 60.6% | 50.0% | Hash TableStringCounting |
| Group Anagrams | Medium | 72.2% | 50.0% | ArrayHash TableString+1 |
| Sum of Digit Differences of All Pairs | Medium | 43.0% | 50.0% | ArrayHash TableMath+1 |
| 3Sum | Medium | 38.6% | 50.0% | ArrayTwo PointersSorting |
| Median of Two Sorted Arrays | Hard | 45.9% | 50.0% | ArrayBinary SearchDivide and Conquer |
| Valid Palindrome | Easy | 52.8% | 50.0% | Two PointersString |
| K Divisible Elements Subarrays | Medium | 54.8% | 50.0% | ArrayHash TableTrie+3 |
| Count Square Sum Triples | Easy | 77.1% | 50.0% | MathEnumeration |