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Binary Tree Zigzag Level Order Traversal | Day 22 | [ July LeetCoding Challenge ] [ Leetcode #103 ]
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The day 22 problem in July Leetcoding Challenge. ( Binary Tree Zigzag Level Order Traversal ).
0:00 What is Binary Tree Zigzag Level Order Traversal?
0:50 Breadth-First Search
2:17 Depth-First Search
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Problem statement:
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given binary tree [3,9,20,null,null,15,7],
3
/ \
9 20
/ \
15 7
return its zigzag level order traversal as:
[
[3],
[20,9],
[15,7]
]
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#coding #interview #programminglife #programmingisfun #programmer #tech #software #codinglife #leetcode
0:00 What is Binary Tree Zigzag Level Order Traversal?
0:50 Breadth-First Search
2:17 Depth-First Search
Check out our other popular playlists:
Problem statement:
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given binary tree [3,9,20,null,null,15,7],
3
/ \
9 20
/ \
15 7
return its zigzag level order traversal as:
[
[3],
[20,9],
[15,7]
]
If you find any difficulty or have any query then do COMMENT below. PLEASE help our channel by SUBSCRIBING and LIKE our video if you found it helpful.
#coding #interview #programminglife #programmingisfun #programmer #tech #software #codinglife #leetcode
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