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
树形控件在界面编程中应用十分普遍，如在资源管理器中和树形结构显示书的目录等，我们一步步研究树形控件的使用。
在对话框界面上首先拖动创建一个树，一般我们改变三个属性：
Has Buttons显示带有”+”或”-“的小方框，表示某项能否被展开或已展开，默认为选中，我们改为选中。
Has Lines在父项与子项之间连线以清楚地显示结构，默认为选中，改为选中。
Lines at root:在根部划...
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其他好文 时间：
2014-07-22 22:39:54
阅读次数：
379
当在eclipse中的web工程中增加了extjs4，出现An internal error occurred during: "Building workspace".Java heap space 错误。解决办法1：把extjs4的工程安装包不要放到web工程中就ok了，或者建议直接用myecl...
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Web程序 时间：
2014-07-22 22:36:56
阅读次数：
259
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
