Solution: Binary Tree Zigzag Level Order Traversal
Understand how to implement zigzag level order traversal on a binary tree using a deque. This lesson guides you through alternating left-to-right and right-to-left traversal at each tree level, managing nodes efficiently, and evaluating time and space complexity.
We'll cover the following...
We'll cover the following...
Statement
Given a binary tree, return its zigzag level order traversal. The zigzag level order traversal corresponds to traversing nodes from left to right for one level, right to left for the next level, and so on, reversing the direction after every level.
Constraints:
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The number of nodes in the tree is in the range to .
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