摘要：
Heavy TransportationTime Limit:3000MSMemory Limit:30000KTotal Submissions:19039Accepted:5084DescriptionBackgroundHugo 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 his cu 阅读全文
摘要：
ROADSTime Limit:1000MSMemory Limit:65536KTotal Submissions:9971Accepted:3706DescriptionN cities named with numbers 1 ... N are connected with one-way roads. Each road has two parameters associated with it : the road length and the toll that needs to be paid for the road (expressed in the number of c 阅读全文
摘要：
A. Valera and Xtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputValera is a little boy. Yesterday he got a huge Math hometask at school, so Valera didn't have enough time to properly learn the English alphabet for his English lesson. Unfortunat 阅读全文