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leetcode-problemset/leetcode-cn/problem (Chinese)/特定深度节点链表 [list-of-depth-lcci].html
2022-03-29 12:43:11 +08:00

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<p>给定一棵二叉树,设计一个算法,创建含有某一深度上所有节点的链表(比如,若一棵树的深度为 <code>D</code>,则会创建出 <code>D</code> 个链表)。返回一个包含所有深度的链表的数组。</p>
<p>&nbsp;</p>
<p><strong>示例:</strong></p>
<pre><strong>输入:</strong>[1,2,3,4,5,null,7,8]
1
/ \
2 3
/ \ \
4 5 7
/
8
<strong>输出:</strong>[[1],[2,3],[4,5,7],[8]]
</pre>