摘要：Cow RelaysTime Limit:1000MSMemory Limit:65536KTotal Submissions:3507Accepted:1388DescriptionFor their physical fitness program,N(2 ≤N≤ 1,000,000) cows have decided to run a relay race using theT(2 ≤T≤ 100) cow trails throughout the pasture.Each trail connects two different intersections (1 ≤I1i≤ 1,0 阅读全文