10 essential trie problems covering prefix tree implementation, word search, autocomplete, and maximum XOR.
20 道題目
| Medium |
| 6 | Medium |
| 7 | Hard |
| 8 | Hard |
| 9 | Medium |
| 10 | Medium |
| 11 | Medium |
| 12 | Medium |
| 13 | Hard |
| 14 | Medium |
| 15 | Hard |
| 16 | Medium |
| 17 | Medium |
| 18 | Hard |
| 19 | Medium |
| 20 | Hard |