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LeetCode——Lowest Common Ancestor of a Binary Search Tree
Description: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...
分类:其他好文   时间:2015-08-13 06:26:55    阅读次数:107
leetcode——Lowest Common Ancestor of a Binary Search Tree
题目Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in the BST.思路题目要求一个二叉排序树的两个节点的公共父节点,说通俗点,其实就是这两个节点所在的分支是从哪里开始分叉的。求出这个分叉点。对于二叉排序树,它的一个特点就是:一个节点的左子树节点都小于该节点,而...
分类:其他好文   时间:2015-08-11 21:34:48    阅读次数:137
leetcode——Lowest Common Ancestor of a Binary Tree
题目Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.思路这一次说的是一个普通的二叉树,给出两个节点,求他们的最低公共父节点。 回想一下,当这棵二叉树是二分查找树的时候的解决方案: 二分查找树解法:http://blog.csdn.net/langduhualangd...
分类:其他好文   时间:2015-08-11 21:26:38    阅读次数:114
PAT 1036. Boys vs Girls (25)
1036. Boys vs Girls (25)This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all ...
分类:其他好文   时间:2015-08-11 15:42:02    阅读次数:83
[leedcode 236] Lowest Common Ancestor of a Binary Tree
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 ...
分类:其他好文   时间:2015-08-08 21:15:30    阅读次数:110
[leedcode 235] Lowest Common Ancestor of a Binary Search Tree
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: ...
分类:其他好文   时间:2015-08-08 19:42:01    阅读次数:100
[leetcode 236]Lowest Common Ancestor of a Binary Tree
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 lowest common ancestor is defined between two node...
分类:其他好文   时间:2015-08-08 18:18:38    阅读次数:110
[leetcode 235]Lowest Common Ancestor of a Binary Search Tree
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: “The lowest common ancestor is defined betw...
分类:其他好文   时间:2015-08-08 18:16:58    阅读次数:132
LeetCode Day3
Lowest Common Ancestor of a Binary Search Tree 1 import java.util.ArrayList; 2 import java.util.List; 3 4 /** 5 * LeetCode: Lowest Common Ances...
分类:其他好文   时间:2015-08-08 13:19:45    阅读次数:106
4.7 Lowest Common Ancestor of a Binary Search Tree 二叉树的最小共同父节点
4.7 Design an algorithm and write code to find the first common ancestor of two nodes in a binary tree. Avoid storing additional nodes in a data struc...
分类:其他好文   时间:2015-08-07 23:47:47    阅读次数:208
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