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摘要： Heavy TransportationTime Limit: 3000MSMemory Limit: 30000KTotal Submissions: 15595Accepted: 4057DescriptionBackground Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whether there really is a way from the place . 阅读全文

摘要： TramTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 7102Accepted: 2570DescriptionTram network in Zagreb consists of a number of intersections and rails connecting some of them. In every intersection there is a switch pointing to the one of the rails going out of the intersection. When the . 阅读全文