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B. The least round way 题目连接: http://www.codeforces.com/contest/2/problem/B Description There is a square matrix n × n, consisting of non negative inte 阅读全文
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A. Winner 题目连接: http://www.codeforces.com/contest/2/problem/A Description The winner of the card game popular in Berland "Berlogging" is determined ac 阅读全文
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C. Ancient Berland Circus 题目连接: http://www.codeforces.com/contest/1/problem/C Description Nowadays all circuses in Berland have a round arena with dia 阅读全文