Time limit: 2 seconds Memory limit: 1024 megabytes In ICPCCamp, there are n cities and m (bidirectional) roads between cities. The i-th road is between the ai-th city and the bi-th city. There may be roads connecting a citie to itself and multiple ro…
Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs your help, of course.Farmer John ordered a high speed connection for his farm and is going to share his…