| Palindrome Number | Easy | 60.3% | 100.0% | Math |
| Count Subarrays of Length Three With a Condition | Easy | 61.5% | 95.6% | Array |
| Smallest Value of the Rearranged Number | Medium | 53.4% | 95.6% | MathSorting |
| Two Sum | Easy | 57.1% | 83.2% | ArrayHash Table |
| Fibonacci Number | Easy | 73.9% | 78.8% | MathDynamic ProgrammingRecursion+1 |
| Longest Palindromic Substring | Medium | 37.4% | 73.4% | Two PointersStringDynamic Programming |
| Valid Anagram | Easy | 67.8% | 73.4% | Hash TableStringSorting |
| Second Highest Salary | Medium | 46.4% | 66.5% | Database |
| Remove Duplicates from Sorted Array | Easy | 62.3% | 66.5% | ArrayTwo Pointers |
| Longest Common Prefix | Easy | 47.1% | 66.5% | StringTrie |
| Managers with at Least 5 Direct Reports | Medium | 48.9% | 66.5% | Database |
| Maximum Subarray | Medium | 53.0% | 66.5% | ArrayDivide and ConquerDynamic Programming |
| Reverse Integer | Medium | 31.5% | 66.5% | Math |
| Product Sales Analysis I | Easy | 85.6% | 66.5% | Database |
| Valid Parentheses | Easy | 43.7% | 66.5% | StringStack |
| Median of Two Sorted Arrays | Hard | 46.0% | 56.7% | ArrayBinary SearchDivide and Conquer |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 56.7% | Hash TableStringSliding Window |
| Merge Sorted Array | Easy | 54.4% | 56.7% | ArrayTwo PointersSorting |
| Count Primes | Medium | 35.8% | 56.7% | ArrayMathEnumeration+1 |
| 3Sum | Medium | 38.6% | 56.7% | ArrayTwo PointersSorting |
| Happy Number | Easy | 59.3% | 56.7% | Hash TableMathTwo Pointers |
| Move Zeroes | Easy | 63.6% | 56.7% | ArrayTwo Pointers |
| Binary Search | Easy | 60.5% | 56.7% | ArrayBinary Search |
| Merge Two Sorted Lists | Easy | 68.0% | 56.7% | Linked ListRecursion |
| Add Two Numbers | Medium | 48.0% | 56.7% | Linked ListMathRecursion |
| Fizz Buzz | Easy | 75.3% | 56.7% | MathStringSimulation |
| Rising Temperature | Easy | 51.0% | 56.7% | Database |
| Students and Examinations | Easy | 61.0% | 56.7% | Database |
| Search Insert Position | Easy | 50.7% | 56.7% | ArrayBinary Search |