| Title | Acceptance | Level |
|---|---|---|
| Valid Parentheses | 39.0% | Easy |
| Reverse Substrings Between Each Pair of Parentheses | 61.5% | Medium |
| Meeting Rooms II | 45.7% | Medium |
| Merge Intervals | 39.3% | Medium |
| Basic Calculator II | 36.9% | Medium |
| Jump Game | 34.6% | Medium |
| 3Sum | 26.8% | Medium |
| Employee Free Time | 66.3% | Hard |
| Remove Invalid Parentheses | 43.3% | Hard |