递归实现如下: public TreeNode lowestCommonAncestor(TreeNode root, TreeNode p, TreeNode q) { if(p.val>root.val&&q.val>root.val) return lowestComm...
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编程语言 时间:
2015-11-03 21:10:51
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267
package cn.edu.xidian.sselab;/*** title:Lowest Common Ancestor of a Binary Search Tree* content:* Given a binary search tree (BST), * find the lowest ...
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其他好文 时间:
2015-10-29 00:42:52
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215
Lowest Common Multiple PlusTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 42356Accepted Submissio...
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其他好文 时间:
2015-10-26 00:35:26
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207
解题思路:最近很忙,有点乱,感觉对不起自己的中国好队友。 好好调整,一切都不是问题,Just do it !代码: 1 #include 2 3 int gcd(int a, int b) 4 { 5 if(b == 0) return a; 6 return gcd(b,...
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其他好文 时间:
2015-10-16 00:53:05
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208
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wikipedia: ...
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其他好文 时间:
2015-10-11 15:21:14
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142
Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wikipedia: ...
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其他好文 时间:
2015-10-08 23:11:00
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224
LCA,全称为Lowest Common Ancestor, 即最近公共祖先。这是对于有根树而言的,两个节点u, v的公共祖先中距离最近的那个被称为最近公共祖先(这解释。。真通俗。。。)我们来看个图:4和7的LCA是2,5和6的LCA是1,2和5的LCA是2。最笨的实现方法就是;对于同一深度的点,一...
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其他好文 时间:
2015-10-07 22:56:59
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265
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.According to thedefinition of LCA on Wikipedia: “The lowest ...
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其他好文 时间:
2015-10-07 22:54:40
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200
Question:Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.According to thedefinition of LCA on Wi...
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其他好文 时间:
2015-09-20 11:39:08
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175
/** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x...
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其他好文 时间:
2015-09-19 00:41:27
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147