Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n...
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其他好文 时间：
2014-07-19 22:34:50
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196
Objective-C determine data network type of the iOS device
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移动开发 时间：
2014-07-19 19:01:26
阅读次数：
443
Linked List CycleGiven a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?算法思路1：快慢指针，当两个指针相遇，则表示有环，...
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其他好文 时间：
2014-07-19 18:38:30
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198
Description
Problem G - Summits
Time limit: 8 seconds
You recently started working for the largest map drawing company in theNetherlands. Part of your job is to determine what the summits in apar...
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其他好文 时间：
2014-07-19 08:13:31
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288
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
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其他好文 时间：
2014-07-18 18:28:44
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231
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
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其他好文 时间：
2014-07-18 09:33:38
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194
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are
all va...
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其他好文 时间：
2014-07-17 10:18:17
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181
Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl...
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其他好文 时间：
2014-07-17 00:33:43
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218
[root@luozhonghua sbin]# service httpd start
Starting httpd: httpd: apr_sockaddr_info_get() failed for luozhonghua
httpd: Could not reliably determine the server's fully qualified domain name, using...
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其他好文 时间：
2014-07-16 11:15:46
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168
TreeYou are to determine the value of the leaf node in a given binary tree that is the terminal node of a path of least value from the root of the bin...
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其他好文 时间：
2014-07-13 21:24:22
阅读次数：
202
