| Two Sum | Easy | 57.1% | 88.4% |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 79.0% |
| Longest Common Prefix | Easy | 47.1% | 78.5% |
| Reverse Linked List | Easy | 80.3% | 76.7% |
| Valid Parentheses | Easy | 43.7% | 72.7% |
| Valid Palindrome | Easy | 52.8% | 70.4% |
| Reverse Bits | Easy | 67.8% | 63.4% |
| Number of 1 Bits | Easy | 76.4% | 62.2% |
| Merge Two Sorted Lists | Easy | 68.0% | 62.2% |
| Move Zeroes | Easy | 63.6% | 60.9% |
| Climbing Stairs | Easy | 53.9% | 59.5% |
| Merge Sorted Array | Easy | 54.4% | 58.1% |
| Find the Index of the First Occurrence in a String | Easy | 46.3% | 58.1% |
| Pascal's Triangle | Easy | 78.7% | 56.5% |
| Ransom Note | Easy | 65.7% | 56.5% |
| Sqrt(x) | Easy | 41.4% | 54.7% |
| First Unique Character in a String | Easy | 65.1% | 52.8% |
| Remove Duplicates from Sorted Array | Easy | 62.3% | 52.8% |
| Design HashMap | Easy | 66.4% | 52.8% |
| Maximum Depth of Binary Tree | Easy | 77.9% | 52.8% |
| Binary Tree Paths | Easy | 68.2% | 52.8% |
| Count the Number of Incremovable Subarrays I | Easy | 56.3% | 52.8% |
| Find Winner on a Tic Tac Toe Game | Easy | 54.5% | 48.4% |
| Remove All Adjacent Duplicates In String | Easy | 72.8% | 48.4% |
| Implement Queue using Stacks | Easy | 69.4% | 48.4% |
| Fibonacci Number | Easy | 73.9% | 48.4% |
| Meeting Rooms | Easy | 59.3% | 45.7% |
| Reverse String | Easy | 80.6% | 45.7% |
| Flood Fill | Easy | 67.9% | 45.7% |
| Roman to Integer | Easy | 66.3% | 42.6% |
| Path Sum | Easy | 54.5% | 39.0% |
| Fizz Buzz | Easy | 75.3% | 39.0% |
| Valid Anagram | Easy | 67.8% | 39.0% |
| Missing Number | Easy | 71.7% | 39.0% |
| Middle of the Linked List | Easy | 81.6% | 39.0% |
| Distribute Money to Maximum Children | Easy | 20.5% | 39.0% |
| Apple Redistribution into Boxes | Easy | 78.5% | 34.7% |
| Convert Sorted Array to Binary Search Tree | Easy | 75.2% | 34.7% |
| Happy Number | Easy | 59.3% | 34.7% |
| Valid Palindrome II | Easy | 44.0% | 34.7% |
| Remove Element | Easy | 61.4% | 29.1% |
| Add Binary | Easy | 57.7% | 29.1% |
| Intersection of Two Arrays | Easy | 77.5% | 29.1% |
| Island Perimeter | Easy | 74.3% | 29.1% |
| Maximum Product of Three Numbers | Easy | 45.7% | 29.1% |
| Intersection of Two Linked Lists | Easy | 63.2% | 29.1% |
| Same Tree | Easy | 66.7% | 29.1% |
| Contains Duplicate | Easy | 64.1% | 29.1% |
| Best Poker Hand | Easy | 61.6% | 29.1% |
| Logger Rate Limiter | Easy | 76.8% | 29.1% |
| Find Pivot Index | Easy | 62.1% | 29.1% |
| Symmetric Tree | Easy | 60.8% | 21.7% |
| Implement Stack using Queues | Easy | 69.4% | 21.7% |
| First Bad Version | Easy | 46.9% | 21.7% |
| Max Consecutive Ones | Easy | 64.6% | 21.7% |
| Diameter of Binary Tree | Easy | 65.1% | 21.7% |
| Can Place Flowers | Easy | 29.1% | 21.7% |
| Transpose Matrix | Easy | 75.9% | 21.7% |
| Verifying an Alien Dictionary | Easy | 55.9% | 21.7% |
| Goat Latin | Easy | 69.9% | 21.7% |
| Split Strings by Separator | Easy | 76.0% | 21.7% |
| First Letter to Appear Twice | Easy | 74.9% | 21.7% |
| Intersection of Three Sorted Arrays | Easy | 80.0% | 21.7% |
| Number of Changing Keys | Easy | 80.5% | 21.7% |
| Shortest Word Distance | Easy | 66.2% | 21.7% |
| Read N Characters Given Read4 | Easy | 42.5% | 21.7% |
| Image Smoother | Easy | 69.1% | 21.7% |
| Counting Bits | Easy | 80.4% | 21.7% |
| Reverse Vowels of a String | Easy | 60.7% | 21.7% |
| Remove Linked List Elements | Easy | 53.9% | 21.7% |
| Contains Duplicate II | Easy | 50.8% | 21.7% |
| Maximum Population Year | Easy | 63.7% | 21.7% |
| Number of Recent Calls | Easy | 78.2% | 21.7% |
| Assign Cookies | Easy | 54.7% | 21.7% |
| Moving Average from Data Stream | Easy | 80.2% | 21.7% |
| Balanced Binary Tree | Easy | 57.9% | 21.7% |