摘要:
Description You want to arrange the window of your flower shop in a most pleasant way. You have F bunches of flowers, each being of a different kind, 阅读全文
摘要:
726:ROADS 726:ROADS 总时间限制:1000ms内存限制:65536kB描述N cities named with numbers 1 ... N are connected with one-way roads. Each road has two parameters assoc 阅读全文