| Valid Word Abbreviation | Easy | 37.0% | 95.4% |
| Valid Palindrome II | Easy | 44.0% | 92.7% |
| Merge Sorted Array | Easy | 54.4% | 88.1% |
| Two Sum | Easy | 57.1% | 83.8% |
| Diameter of Binary Tree | Easy | 65.1% | 79.2% |
| Best Time to Buy and Sell Stock | Easy | 56.4% | 76.4% |
| Valid Parentheses | Easy | 43.7% | 71.1% |
| Range Sum of BST | Easy | 87.6% | 69.5% |
| Valid Palindrome | Easy | 52.8% | 69.5% |
| Longest Common Prefix | Easy | 47.1% | 66.7% |
| Kth Missing Positive Number | Easy | 63.2% | 59.4% |
| Squares of a Sorted Array | Easy | 73.6% | 59.4% |
| Remove Duplicates from Sorted Array | Easy | 62.3% | 59.0% |
| Palindrome Number | Easy | 60.3% | 57.0% |
| Roman to Integer | Easy | 66.3% | 56.3% |
| Missing Ranges | Easy | 35.5% | 56.0% |
| Moving Average from Data Stream | Easy | 80.2% | 56.0% |
| Merge Two Sorted Lists | Easy | 68.0% | 53.9% |
| Climbing Stairs | Easy | 53.9% | 52.8% |
| Add Strings | Easy | 52.1% | 51.9% |
| Add Binary | Easy | 57.7% | 50.8% |
| Plus One | Easy | 49.6% | 47.5% |
| Closest Binary Search Tree Value | Easy | 49.3% | 47.0% |
| Majority Element | Easy | 66.1% | 46.0% |
| Find the Index of the First Occurrence in a String | Easy | 46.3% | 44.8% |
| Sqrt(x) | Easy | 41.4% | 44.3% |
| Remove Element | Easy | 61.4% | 41.6% |
| Contains Duplicate II | Easy | 50.8% | 40.7% |
| Strobogrammatic Number | Easy | 47.5% | 40.7% |
| Create Hello World Function | Easy | 82.0% | 38.3% |
| Merge Strings Alternately | Easy | 82.1% | 38.3% |
| Recyclable and Low Fat Products | Easy | 88.7% | 35.4% |
| Move Zeroes | Easy | 63.6% | 35.4% |
| Minimum Depth of Binary Tree | Easy | 52.4% | 34.5% |
| Binary Tree Inorder Traversal | Easy | 79.7% | 34.5% |
| Search Insert Position | Easy | 50.7% | 33.6% |
| Reverse Linked List | Easy | 80.3% | 32.3% |
| Add Two Integers | Easy | 87.9% | 32.0% |
| Range Sum Query - Immutable | Easy | 71.4% | 32.0% |
| Goat Latin | Easy | 69.9% | 32.0% |
| Toeplitz Matrix | Easy | 69.7% | 32.0% |
| Maximum Depth of Binary Tree | Easy | 77.9% | 31.6% |
| Length of Last Word | Easy | 58.3% | 31.6% |
| Symmetric Tree | Easy | 60.8% | 30.6% |
| Pascal's Triangle | Easy | 78.7% | 27.9% |
| Same Tree | Easy | 66.7% | 25.5% |
| Path Sum | Easy | 54.5% | 24.9% |
| Single Number | Easy | 77.4% | 24.1% |
| Contains Duplicate | Easy | 64.1% | 24.1% |
| Convert Sorted Array to Binary Search Tree | Easy | 75.2% | 22.3% |
| Balanced Binary Tree | Easy | 57.9% | 22.3% |
| Pascal's Triangle II | Easy | 67.1% | 14.1% |
