Description In a country there are n cities connected by m one way roads. You can paint any of these roads. To paint a road it costs d unit of money w ...
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其他好文 时间：
2016-06-10 16:13:55
阅读次数：
232
两个条件之间or的用法【Restrictions.or(lhs, rhs)】： [java] view plain copy dc.add(Restrictions.or(Restrictions.like("country", comm.getCountry(),MatchMode.ANYWHER ...
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Web程序 时间：
2016-06-08 01:38:29
阅读次数：
432
I am going to my home. There are many cities and many bi-directional roads between them. The cities are numbered from 0 to n-1 and each road has a cos ...
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编程语言 时间：
2016-06-06 20:40:16
阅读次数：
351
第4章 子查询 4.2.1 Exist 谓语： use TSQLFundamentals2008 select * from Sales.Customers as C where c.country=N'Spain' select * from Sales.Customers as C where ...
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数据库 时间：
2016-06-03 12:38:04
阅读次数：
228
XML XML是实现不同语言或者程序之间的数据交换的协议，他的格式如下 <data> <country name="Liechtenstein"> <rank updated="yes">2</rank> <year>2023</year> <gdppc>141100</gdppc> <neighb ...
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编程语言 时间：
2016-05-31 22:06:14
阅读次数：
248
Description The mobile network market in country XYZ used to be dominated by two large corporations, XYZTelecom and XYZ Mobile. The central government ...
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其他好文 时间：
2016-05-27 14:38:01
阅读次数：
275
简单版本:只用于获取组数据 其实就是将键值变成键,遍历的时候键相同的会覆盖 $res[$v['country']] [] 可以 = 1,无关紧要 ...
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Web程序 时间：
2016-05-19 19:08:35
阅读次数：
229
【PAT】Emergency（最短路条数-SPFA）
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of res...
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其他好文 时间：
2016-05-13 04:29:41
阅读次数：
415
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the le...
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其他好文 时间：
2016-05-12 18:31:00
阅读次数：
139
Description
Boatherds Inc. is a sailing company operating in the country of Trabantustan and offering boat trips on Trabantian rivers. All the rivers originate somewhere in the mountains and on t...
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其他好文 时间：
2016-05-12 14:47:55
阅读次数：
267
