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Buyhatke
0 Easy1 Medium2 Hard3 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 139 | Word Break | Medium | |
| 25 | Reverse Nodes in k-Group | Hard | |
| 42 | Trapping Rain Water | Hard |
0 Easy1 Medium2 Hard3 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 139 | Word Break | Medium | |
| 25 | Reverse Nodes in k-Group | Hard | |
| 42 | Trapping Rain Water | Hard |