← Skills
Recursion & trees
in-order traversal
Visit left, node, right; on a BST that yields the values in sorted order.
Builds on: tree DFS
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Unseen
No reps yet
No reps yet.
- Attempts
- 0
- Correct
- 0
- Failed
- 0
- Clean streak
- 0
- Cold
- 0/0
- Hints
- 0
Next review: after your first rep
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