| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 50.0% |
| 545 | https://leetcode.com/problems/boundary-of-binary-tree | Boundary of Binary Tree | Medium | 47.9% | 37.5% |
| 49 | https://leetcode.com/problems/group-anagrams | Group Anagrams | Medium | 72.2% | 62.5% |
| 121 | https://leetcode.com/problems/best-time-to-buy-and-sell-stock | Best Time to Buy and Sell Stock | Easy | 56.4% | 62.5% |
| 202 | https://leetcode.com/problems/happy-number | Happy Number | Easy | 59.2% | 100.0% |
| 2291 | https://leetcode.com/problems/maximum-profit-from-trading-stocks | Maximum Profit From Trading Stocks | Medium | 48.0% | 50.0% |
| 3004 | https://leetcode.com/problems/maximum-subtree-of-the-same-color | Maximum Subtree of the Same Color | Medium | 58.3% | 62.5% |
| 3068 | https://leetcode.com/problems/find-the-maximum-sum-of-node-values | Find the Maximum Sum of Node Values | Hard | 69.5% | 62.5% |
| 200 | https://leetcode.com/problems/number-of-islands | Number of Islands | Medium | 63.8% | 37.5% |
| 5 | https://leetcode.com/problems/longest-palindromic-substring | Longest Palindromic Substring | Medium | 37.3% | 37.5% |
| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 37.5% |
| 268 | https://leetcode.com/problems/missing-number | Missing Number | Easy | 71.6% | 37.5% |
| 70 | https://leetcode.com/problems/climbing-stairs | Climbing Stairs | Easy | 53.9% | 37.5% |
| 12 | https://leetcode.com/problems/integer-to-roman | Integer to Roman | Medium | 70.4% | 37.5% |