package
Version:
v0.0.6
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Published: Jul 18, 2021
License: MIT
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Imported by: 0
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README
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[简单]
树 广度优先搜索
给定一个二叉树,返回其节点值自底向上的层次遍历。 (即按从叶子节点所在层到根节点所在的层,逐层从左向右遍历)
例如:
给定二叉树 [3,9,20,null,null,15,7],
3
/ \
9 20
/ \
15 7
返回其自底向上的层次遍历为:
[
[15,7],
[9,20],
[3]
]
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