楚江枫

关于Bellman-Ford算法戳这里 ：以下是个人感觉还不错的讲解 ：讲解一 ： http://blog.youkuaiyun.com/xu3737284/article/details/8973615讲解二 ： http://blog.youkuaiyun.com/niushuai666/article/details/6791765讲解三 ：http://www.cnblogs.com/luweiseu/archiv

DescriptionWhile exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path that delivers you to its destination at a t