Practice binary tree and BST problems — DFS, BFS, level order traversal, lowest common ancestor, and more.
| # | Status | Topic | Est. Time | ||
|---|---|---|---|---|---|
| 1 | ○ | 🌲Tree | Hard | ~40 min | |
| 2 | ○ | 🌲Tree | Easy | ~15 min | |
| 3 | ○ | 🌲Tree | Medium | ~25 min | |
| 4 | ○ | 🌲Tree | Medium | ~25 min | |
| 5 | ○ | 🌲Tree | Hard | ~40 min | |
| 6 | ○ | 🌲Tree | Easy | ~15 min | |
| 7 | ○ | 🌲Tree | Hard | ~40 min | |
| 8 | ○ | 🌲Tree | Medium | ~25 min | |
| 9 | ○ | 🌲Tree | Easy | ~15 min | |
| 10 | ○ | 🌲Tree | Medium | ~25 min | |
| 11 | ○ | 🌲Tree | Easy | ~15 min | |
| 12 | ○ | 🌲Tree | Hard | ~40 min |