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Hp
3 Easy1 Medium0 Hard4 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 2379 | Minimum Recolors to Get K Consecutive Black Blocks | Easy | |
| 2087 | Minimum Cost Homecoming of a Robot in a Grid | Medium | |
| 409 | Longest Palindrome | Easy | |
| 20 | Valid Parentheses | Easy |
3 Easy1 Medium0 Hard4 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 2379 | Minimum Recolors to Get K Consecutive Black Blocks | Easy | |
| 2087 | Minimum Cost Homecoming of a Robot in a Grid | Medium | |
| 409 | Longest Palindrome | Easy | |
| 20 | Valid Parentheses | Easy |