| Count Subarrays of Length Three With a Condition | Easy | 61.5% | 100.0% | Array |
| Two Sum | Easy | 57.1% | 87.5% | ArrayHash Table |
| Palindrome Number | Easy | 60.2% | 87.5% | Math |
| Smallest Value of the Rearranged Number | Medium | 53.4% | 87.5% | MathSorting |
| Fibonacci Number | Easy | 73.9% | 75.0% | MathDynamic ProgrammingRecursion+1 |
| Longest Palindromic Substring | Medium | 37.3% | 75.0% | Two PointersStringDynamic Programming |
| Longest Substring Without Repeating Characters | Medium | 38.5% | 75.0% | Hash TableStringSliding Window |
| Second Highest Salary | Medium | 46.3% | 75.0% | Database |
| Sort Array By Absolute Value | Easy | 86.5% | 75.0% | |
| Reverse Integer | Medium | 31.5% | 62.5% | Math |
| Valid Anagram | Easy | 67.8% | 62.5% | Hash TableStringSorting |
| Product Sales Analysis I | Easy | 85.6% | 62.5% | Database |
| Maximum Subarray | Medium | 53.0% | 62.5% | ArrayDivide and ConquerDynamic Programming |
| Merge Sorted Array | Easy | 54.4% | 62.5% | ArrayTwo PointersSorting |
| Median of Two Sorted Arrays | Hard | 45.9% | 62.5% | ArrayBinary SearchDivide and Conquer |
| First Missing Positive | Hard | 42.4% | 62.5% | ArrayHash Table |
| Article Views I | Easy | 76.7% | 62.5% | Database |
| Subarray Sum Equals K | Medium | 46.8% | 62.5% | ArrayHash TablePrefix Sum |
| Valid Parentheses | Easy | 43.7% | 62.5% | StringStack |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 62.5% | ArrayDynamic Programming |
| Combine Two Tables | Easy | 79.2% | 62.5% | Database |
| Happy Number | Easy | 59.2% | 50.0% | Hash TableMathTwo Pointers |
| Remove Duplicates from Sorted Array | Easy | 62.2% | 50.0% | ArrayTwo Pointers |
| Students and Examinations | Easy | 60.9% | 50.0% | Database |
| Fizz Buzz | Easy | 75.2% | 50.0% | MathStringSimulation |
| Add Two Numbers | Medium | 47.9% | 50.0% | Linked ListMathRecursion |
| Search Insert Position | Easy | 50.7% | 50.0% | ArrayBinary Search |
| Rotate Array | Medium | 44.4% | 50.0% | ArrayMathTwo Pointers |
| Valid Palindrome | Easy | 52.8% | 50.0% | Two PointersString |
| Find Numbers with Even Number of Digits | Easy | 79.6% | 50.0% | ArrayMath |
| Rising Temperature | Easy | 51.0% | 50.0% | Database |
| Single Element in a Sorted Array | Medium | 59.2% | 50.0% | ArrayBinary Search |
| Binary Search | Easy | 60.5% | 50.0% | ArrayBinary Search |
| Move Zeroes | Easy | 63.5% | 50.0% | ArrayTwo Pointers |
| Roman to Integer | Easy | 66.2% | 50.0% | Hash TableMathString |
| Replace Employee ID With The Unique Identifier | Easy | 83.5% | 50.0% | Database |
| Jump Game | Medium | 40.5% | 50.0% | ArrayDynamic ProgrammingGreedy |
| Employees Earning More Than Their Managers | Easy | 72.8% | 50.0% | Database |
| Find the Highest Altitude | Easy | 83.9% | 50.0% | ArrayPrefix Sum |
| String Compression | Medium | 59.5% | 50.0% | Two PointersString |
| Group Anagrams | Medium | 72.2% | 50.0% | ArrayHash TableString+1 |
| Single Number | Easy | 77.3% | 50.0% | ArrayBit Manipulation |
| Climbing Stairs | Easy | 53.9% | 50.0% | MathDynamic ProgrammingMemoization |
| Minimum Absolute Difference | Easy | 75.0% | 50.0% | ArraySorting |
| Max Consecutive Ones | Easy | 64.6% | 50.0% | Array |