| 20 | https://leetcode.com/problems/valid-parentheses | Valid Parentheses | Easy | 43.7% | 75.0% |
| 1 | https://leetcode.com/problems/two-sum | Two Sum | Easy | 57.1% | 100.0% |
| 3 | https://leetcode.com/problems/longest-substring-without-repeating-characters | Longest Substring Without Repeating Characters | Medium | 38.5% | 75.0% |
| 15 | https://leetcode.com/problems/3sum | 3Sum | Medium | 38.6% | 62.5% |
| 88 | https://leetcode.com/problems/merge-sorted-array | Merge Sorted Array | Easy | 54.4% | 75.0% |
| 344 | https://leetcode.com/problems/reverse-string | Reverse String | Easy | 80.5% | 75.0% |
| 176 | https://leetcode.com/problems/second-highest-salary | Second Highest Salary | Medium | 46.3% | 62.5% |
| 185 | https://leetcode.com/problems/department-top-three-salaries | Department Top Three Salaries | Hard | 59.8% | 62.5% |
| 125 | https://leetcode.com/problems/valid-palindrome | Valid Palindrome | Easy | 52.8% | 75.0% |
| 5 | https://leetcode.com/problems/longest-palindromic-substring | Longest Palindromic Substring | Medium | 37.3% | 62.5% |
| 647 | https://leetcode.com/problems/palindromic-substrings | Palindromic Substrings | Medium | 72.5% | 62.5% |
| 151 | https://leetcode.com/problems/reverse-words-in-a-string | Reverse Words in a String | Medium | 55.5% | 62.5% |