HP
5 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2379. Minimum Recolors to Get K Consecutive Black Blocks | Easy | 100% | TopicsStringSliding Window |
| 2087. Minimum Cost Homecoming of a Robot in a Grid | Medium | 90.9% | TopicsArrayGreedy |
| 20. Valid Parentheses | Easy | 90.9% | TopicsStringStackBracket Sequences |
| Longest Palindrome | Easy | 75.3% | TopicsHash TableStringGreedy |
| 678. Valid Parenthesis String | Medium | 75.3% | TopicsStringDynamic ProgrammingStackGreedyBracket Sequences |