| Two Sum | Easy | 57.1% | 100.0% | ArrayHash Table |
| Reverse Degree of a String | Easy | 88.6% | 95.7% | StringSimulation |
| Number of Unique Subjects Taught by Each Teacher | Easy | 89.2% | 95.7% | Database |
| 4Sum | Medium | 40.0% | 89.7% | ArrayTwo PointersSorting |
| Remove Duplicates from Sorted Array | Easy | 62.3% | 83.5% | ArrayTwo Pointers |
| Count Elements With Maximum Frequency | Easy | 79.8% | 79.2% | ArrayHash TableCounting |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 73.9% | ArrayDynamic Programming |
| Longest Common Prefix | Easy | 47.1% | 67.1% | ArrayStringTrie |
| Add Two Numbers | Medium | 48.0% | 67.1% | Linked ListMathRecursion |
| Palindrome Number | Easy | 60.3% | 67.1% | Math |
| Valid Anagram | Easy | 67.8% | 57.5% | Hash TableStringSorting |
| Trapping Rain Water | Hard | 66.8% | 57.5% | ArrayTwo PointersDynamic Programming+2 |
| Find First and Last Position of Element in Sorted Array | Medium | 48.4% | 57.5% | ArrayBinary Search |
| Valid Palindrome | Easy | 52.8% | 57.5% | Two PointersString |
| Fibonacci Number | Easy | 73.9% | 57.5% | MathDynamic ProgrammingRecursion+1 |
| Rotate Array | Medium | 44.5% | 57.5% | ArrayMathTwo Pointers |
| Nth Highest Salary | Medium | 38.8% | 57.5% | Database |
| Exchange Seats | Medium | 73.8% | 57.5% | Database |
| Longest Happy String | Medium | 65.5% | 57.5% | StringGreedyHeap (Priority Queue) |
| Median of Two Sorted Arrays | Hard | 46.0% | 57.5% | ArrayBinary SearchDivide and Conquer |
| Subarray Sum Equals K | Medium | 46.8% | 57.5% | ArrayHash TablePrefix Sum |
| Balanced Binary Tree | Easy | 57.9% | 57.5% | TreeDepth-First SearchBinary Tree |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 57.5% | Hash TableStringSliding Window |
| Move Zeroes | Easy | 63.6% | 57.5% | ArrayTwo Pointers |
| Reverse Words in a String | Medium | 55.6% | 57.5% | Two PointersString |
| Coin Change | Medium | 48.0% | 57.5% | ArrayDynamic ProgrammingBreadth-First Search |