摘要：
题目 Farmer John正在一个新的销售区域对他的牛奶销售方案进行调查。他想把牛奶送到T个城镇 (1 <= T <= 25,000)，编号为1T。这些城镇之间通过R条道路 (1 <= R <= 50,000，编号为1到R) 和P条航线 (1 <= P <= 50,000，编号为1到P) 连接。每 阅读全文
摘要：
题目 Although Inzane successfully found his beloved bone, Zane, his owner, has yet to return. To search for Zane, he would need a lot of money, of which 阅读全文