There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were ...
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其他好文 时间:
2017-07-23 12:44:53
阅读次数:
237
Conscription Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 10477 Accepted: 3693 Description Windy has a country, and he wants to build an ...
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其他好文 时间:
2017-07-22 09:44:32
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131
前言 Python的pandas包提供的数据聚合与分组运算功能很强大,也很灵活。《Python for Data Analysis》这本书第9章详细的介绍了这方面的用法,但是有些细节不常用就容易忘记,遂打算把书中这部分内容总结在博客里,以便复习查看。根据书中的章节,这部分知识包括以下四部分: 1.G ...
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编程语言 时间:
2017-07-21 22:06:38
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287
原题描述: D - Rails Description There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last centur ...
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其他好文 时间:
2017-07-21 21:51:42
阅读次数:
160
Description An abandoned country has n(n≤100000) villages which are numbered from 1 to n. Since abandoned for a long time, the roads need to be re-bui ...
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其他好文 时间:
2017-07-20 23:56:57
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221
Untitled Document 全名:{$data['user_name']} 性别:{$data['sex']} 国家:{$data['country']} 地址:{$data['address']} 邮箱:{$... ...
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Web程序 时间:
2017-07-19 18:27:37
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448
假设下一个状态有必败。那么此时状态一定是必胜,否则此时状态一定是必败 状压DP #include<iostream> #include<map> #include<string> #include<cstring> #include<cstdio> #include<cstdlib> #includ ...
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其他好文 时间:
2017-07-19 14:12:53
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136
Problem Description X is a fully prosperous country, especially known for its complicated transportation networks. But recently, for the sake of bette ...
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其他好文 时间:
2017-07-18 18:46:13
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315
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 ro ...
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其他好文 时间:
2017-07-18 01:50:09
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372
P2986 [USACO10MAR]伟大的奶牛聚集Great Cow Gat… 题目描述 Bessie is planning the annual Great Cow Gathering for cows all across the country and, of course, she wou ...
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其他好文 时间:
2017-07-17 20:09:23
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191