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题目1684: [Usaco2005 Oct]Close EncounterTime Limit:5 SecMemory Limit:64 MBDescriptionLacking even a fifth grade education, the cows are having trouble w... 阅读全文
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题目1690: [Usaco2007 Dec]奶牛的旅行Time Limit:5 SecMemory Limit:64 MBSubmit:598Solved:312[Submit][Status]Description作为对奶牛们辛勤工作的回报,Farmer John决定带她们去附近的大城市玩一天。... 阅读全文
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题目Time Limit:10 SecMemory Limit:512 MBSubmit:388Solved:152[Submit][Status]DescriptionInput第一行一个正整数N。第二行共包括N个正整数,第个正整数表示Ai。第三行共包括N个正整数,第个正整数表示Bi。Output... 阅读全文
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题目1677: [Usaco2005 Jan]Sumsets 求和Time Limit:5 SecMemory Limit:64 MBSubmit:617Solved:344[Submit][Status]DescriptionFarmer John commanded his cows to se... 阅读全文