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Wireless Network Description An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with t 阅读全文
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Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 43855 Accepted: 13509 Description The police office in Tadu City deci 阅读全文
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Problem B. Vote A and B are the only two candidates competing in a certain election. We know from polls that exactly N voters support A, and exactly M 阅读全文
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D. Mahmoud and a Dictionary time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Mahmoud want 阅读全文
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食物链 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 67754 Accepted: 20026 Description 动物王国中有三类动物A,B,C，这三类动物的食物链构成了有趣的环形。A吃B， B吃C，C吃A。 现有N个动 阅读全文
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C. Unfair Poll time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Unfair Poll time limit 阅读全文
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The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 35918 Accepted: 17458 Description Severe acute respiratory syndrome (SARS), an 阅读全文
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A. Timofey and a tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Timofey and a t 阅读全文
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C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Mahmoud and 阅读全文
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C. New Year and Rating time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Every Codeforces 阅读全文