my leetcode submissions
| # | title | difficulty | language | runtime |
|---|---|---|---|---|
| 1 | Two Sum | easy | java | 7ms |
| 2 | Add Two Numbers | medium | java | 38ms |
| 3 | Longest Substring Without Repeating Characters | medium | java | 41ms |
| 4 | Median of Two Sorted Arrays | hard | java | 55ms |
| 5 | Longest Palindromic Substring | medium | java | 146ms |
| 15 | Three Sum | medium | java | 28ms |
| 69 | Sqrt | medium | java | 1ms |