PONY1 - Help Dr Whooves
题目描述
On the continent of Equestria, Dr. Whooves used to have it all. He owned a very successful transportation business which was connected to all the villages and towns of Equestria. However, when Discord took over Equestria, a lot of the ponies got confused. Even now, some of his workers are working at the wrong routes, and Dr. Whooves is pretty sure that his business is now fragmented, and that he isn't connected to all the villages of Equestria anymore.