轴名称 描述 child 选取当前节点的所有子元素 parent 选取当前节点的父节点 descendant 选取当前节点的所有后代元素(子、孙等) ancestor 选取当前节点的所有先辈(父、祖父等) descendant-or-self 选取当前节点的所有后代元素(子、孙等)以及当前节点本身 ... ...
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其他好文 时间:
2017-11-27 15:21:57
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174
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia ...
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其他好文 时间:
2017-10-30 11:25:42
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150
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST. According to the definition of LCA on Wikipedia ...
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其他好文 时间:
2017-10-22 00:32:00
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143
Given the root and two nodes in a Binary Tree. Find the lowest common ancestor(LCA) of the two nodes.The lowest common ancestor is the node with large ...
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其他好文 时间:
2017-10-12 14:00:02
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205
Given the root and two nodes in a Binary Tree. Find the lowest common ancestor(LCA) of the two nodes. The lowest common ancestor is the node with larg ...
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其他好文 时间:
2017-10-12 10:13:51
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154
Given the root and two nodes in a Binary Tree. Find the lowest common ancestor(LCA) of the two nodes. The lowest common ancestor is the node with larg ...
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其他好文 时间:
2017-10-11 14:04:20
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175
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowes ...
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其他好文 时间:
2017-10-07 14:56:14
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177
作为一个数据结构学傻,终于要开始入这个坑了...... 之前一直不写有关数据结构的东西,是因为不会画那种很高端的图,所以一直不写,现在看来似乎没有办法避免了…… LCA,全称Least Common Ancestor,即最近公共祖先,顾名思义,LCA(u,v)就是u和v的所有共同祖先中深度最小的,很 ...
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其他好文 时间:
2017-10-04 15:16:06
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176
LCA问题第一弹 上篇文章讲到 区间最值 RMQ 问题,今天,我们来研究一下 LCA 问题。 LCA( Least Common Ancestor)问题:中文名为“ 最近公共祖先”问题。LCA问题定义是这样的:在一个树形结构中,求解两个子节点的公共祖先中离根节点最远的那个祖先节点,换言之,分别从两个 ...
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其他好文 时间:
2017-09-17 01:31:53
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249
来源:https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-tree Given a binary tree, find the lowest common ancestor (LCA) of two given nodes ...
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其他好文 时间:
2017-09-12 21:58:45
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187