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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