Write a function that accepts root of a binary tree and print zigzag level order traversal, each level print in new line.
For example,
Given tree:
1
2 3
4 5 6 7
8 9
output:
1
2 3
7 6 5 4
8 9
Write a function that accepts root of a binary tree and print zigzag level order traversal, each level print in new line.
For example,
Given tree:
1
2 3
4 5 6 7
8 9
output:
1
2 3
7 6 5 4
8 9
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