题目：Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?题解：这道题连带着II是很经典的，在看CC150时候，纠结这个问题纠结了很久....
分类：
编程语言 时间：
2014-07-23 12:02:26
阅读次数：
311
1.在div元素中,包含了一个元素,通过has选择器获取元素中的元素的语法是?提示使用has $("div:has(span)")2.在三个元素中,分别添加多个元素,通过jQuery中的子元素选择器,将这三个元素中的第一个元素隐藏,代码是？提示使用first-child$("li:first-chi...
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Web程序 时间：
2014-07-23 11:47:16
阅读次数：
230
最近安装了NDK
R8B，但是在cygwin下开始使用ndk-build时出现大量的如题所示的警告。于是，先GOOGLE一下，寻找模糊答案。又到NDK下载网站看
到，NDKR8B确实更新了C++编译器。而且，有网文介绍说，使用NDK
R8不会出现那样的警告。这个，我没有试验，估计OK（因为作者说他自己试验..
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其他好文 时间：
2014-07-23 00:17:58
阅读次数：
178
Problem Description
DouBiXp has a girlfriend named DouBiNan.One day they felt very boring and decided to play some games. The rule of this game is as following. There are k balls on the desk. Every...
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其他好文 时间：
2014-07-23 00:05:27
阅读次数：
344
Problem Description
Today the company has m tasks to complete. The ith task need xi minutes to complete. Meanwhile, this task has a difficulty level yi. The machine whose level below this task’s le...
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其他好文 时间：
2014-07-22 23:57:27
阅读次数：
601
H. City HorizonTime Limit: 2000msMemory Limit: 65536KB64-bit integer IO format:%lld Java class name:MainFarmer John has taken his cows on a trip to th...
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其他好文 时间：
2014-07-22 23:21:57
阅读次数：
263
The DDMS tool can be used to push out test location during testing. However, it has two serious limitations:DDMS sets location for GPS location provid...
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移动开发 时间：
2014-07-22 22:34:35
阅读次数：
915
Maven 2 repository Eclipse needs to know the path to the local maven repository. Therefore the classpath variable?M2_REPO?has to be set. Execute the following command: mvn?-Declipse.workspace=<...
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系统相关 时间：
2014-07-22 22:32:54
阅读次数：
344
Description
The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Flatopian government is aware of this problem...
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其他好文 时间：
2014-07-22 18:01:17
阅读次数：
230
Wavio Sequence
Wavio is a sequence of integers. It has some interesting properties.
· Wavio is of odd length i.e. L = 2*n + 1.
· The first (n+1) integers of Wavio sequence makes a strictly i...
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其他好文 时间：
2014-07-22 14:36:14
阅读次数：
248
