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：
2014-12-29 13:42:53
阅读次数：
158
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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 of the two subtrees o...
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其他好文 时间：
2014-12-29 09:03:54
阅读次数：
134
题目1092：Fibonacci
时间限制：1 秒
内存限制：32 兆
特殊判题：否
提交：1576
解决：1158
题目描述：
The Fibonacci Numbers{0,1,1,2,3,5,8,13,21,34,55...} are defined by the recurrence:
F0=0 F1=1 Fn=...
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其他好文 时间：
2014-12-29 01:23:53
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177
javascript数据类型分为简单数据类型和复杂数据类型。简单数据类型分为string,number,boolean,defined,null,复杂数据类型为Object.简单数据类型的判断var str = '123';var num = 2;var boo = true;var def = d...
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编程语言 时间：
2014-12-28 15:23:25
阅读次数：
225
发现一个USB class网站，对设备管理的小伙伴非常有用
http://www.usb.org/developers/defined_class
USB Class Codes
August 11, 2014
USB defines class code information that is used to ident...
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其他好文 时间：
2014-12-27 17:43:29
阅读次数：
212
【题目】
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 nodes with keys less than the nod...
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其他好文 时间：
2014-12-27 17:34:02
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236
C. Crazy TownCrazy Town is a plane on which there are n infinite line roads. Each road is defined by the equation aix?+?biy?+?ci?=?0, where ai and bi ...
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其他好文 时间：
2014-12-27 17:25:42
阅读次数：
176
Given an integer array with no duplicates. A max tree building on this array is defined as follow:The root is the maximum number in the arrayThe left ...
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其他好文 时间：
2014-12-27 06:37:51
阅读次数：
132
Given an directed graph, a topological order of the graph nodes is defined as follow:For each directed edge A-->B in graph, A must before B in the ord...
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其他好文 时间：
2014-12-27 00:15:16
阅读次数：
330
In order to reuse the Fragment UI components, you should build each as a completely self-contained, modular component that defines its own layout and behavior. Once you have defined these reusable Fra...
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其他好文 时间：
2014-12-26 09:45:18
阅读次数：
210
