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Out of Hay Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13094 Accepted: 5078Description The cows have run out of ha... 阅读全文
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Stars Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 37323 Accepted: 16278Description Astronomers often examine star ... 阅读全文
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Humble Numbers Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9988 Accepted: 4665Description A number whose only prime f... 阅读全文
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Wireless Network Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 19626 Accepted: 8234Description An earthquake takes p... 阅读全文
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Rank List Time Limit: 10000MS Memory Limit: 65536K Total Submissions: 9837 Accepted: 3303Description Li Ming is a good student. He al... 阅读全文
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Argus Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 10186 Accepted: 4801Description A data stream is a real-time, co... 阅读全文
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食物链 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 53613 Accepted: 15721Description 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... 阅读全文