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摘要： Currency ExchangeTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 14000Accepted: 4808DescriptionSeveral currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and performs exchange operations only with these currencies. There 阅读全文

摘要： ACM Computer FactoryTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 4145Accepted: 1391Special JudgeDescriptionAs you know, all the computers used for ACM contests must be identical, so the participants compete on equal terms. That is why all these computers are historically produced at the 阅读全文