midBinary Tree
Boundary Traversal of Binary Tree
Updated Apr 28, 2026
Short answer
Print edges: left boundary, leaves, right boundary.
Deep explanation
Mid-level dive into Boundary Traversal of Binary Tree. Discussing recursion vs iteration and auxiliary space.
Real-world example
Router path optimization.
Common mistakes
- Ignoring the null case for leaf children.
Follow-up questions
- Time Complexity?