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Evacuation 题目连接： http://poj.org/problem?id=3057 Description Fires can be disastrous, especially when a fire breaks out in a room that is completely fi 阅读全文
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F. Group Projects 题目连接： http://www.codeforces.com/contest/626/problem/F Description There are n students in a class working on group projects. The stu 阅读全文
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E. Simple Skewness 题目连接： http://www.codeforces.com/contest/626/problem/E Description Define the simple skewness of a collection of numbers to be the c 阅读全文
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D. Jerry's Protest 题目连接： http://www.codeforces.com/contest/626/problem/D Description Andrew and Jerry are playing a game with Harry as the scorekeeper 阅读全文
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C. Block Towers 题目连接： http://www.codeforces.com/contest/626/problem/C Description Students in a class are making towers of blocks. Each student makes 阅读全文
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B. Cards 题目连接： http://www.codeforces.com/contest/626/problem/B Description Catherine has a deck of n cards, each of which is either red, green, or blu 阅读全文
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A. Robot Sequence 题目连接： http://www.codeforces.com/contest/626/problem/A Description Calvin the robot lies in an infinite rectangular grid. Calvin's so 阅读全文
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Clarke and MST 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5627 Description Clarke is a patient with multiple personality disorder. One day he tur 阅读全文
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Clarke and points 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5626 Description Clarke is a patient with multiple personality disorder. One day he 阅读全文