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D -NotepadTime Limit:2000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 17DDescriptionNick is attracted by everything unconventional. He doesn't like decimal number system any more, and he decided to study other number systems. A number system with basebcau 阅读全文
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Find them, Catch themTime Limit:1000MSMemory Limit:10000KTotal Submissions:23593Accepted:7066DescriptionThe police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Gang Snake. However, the police first needs to identify whi 阅读全文
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Power NetworkTime Limit:2000MSMemory Limit:32768KTotal Submissions:19534Accepted:10300DescriptionA power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied with an amount s(u) >= 0 of power, may produce an amount 0 #i 阅读全文