dsa1 min read
Binary Tree Level Order Traversal — BFS Queue
Return values grouped by level using BFS with a queue, processing each level in a batch loop.
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Level-order
3 articles
dsa1 min read
Binary Tree Zigzag Level Order — Alternating Direction BFS
Traverse a binary tree in zigzag level order by toggling insertion direction at each level.
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dsa2 min read
Meta — Binary Tree Right Side View (BFS Level Order)
Return the values visible from the right side of a binary tree — the last node of each BFS level. O(n) BFS with level tracking.
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