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题目1688: [Usaco2005 Open]Disease Manangement 疾病管理Time Limit:5 SecMemory Limit:64 MBDescriptionAlas! A set of D (1 _ 3 #include 4 using namespace std; ... 阅读全文
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For a guy who has experienced his fair share of mysteries,on mystery,I still can't figure out is why some people come into our lives.Why some people g... 阅读全文
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题目1739: [Usaco2005 mar]Space Elevator 太空电梯Time Limit:5 SecMemory Limit:64 MBDescriptionThe cows are going to space! They plan to achieve orbit by buil... 阅读全文