建立图的邻接表,编写算法,由依次输入的顶点数目,弧的数目,各顶点的信息和各条弧的信息建立有向图 的邻接表 -The establishment of graph adjacency list, the preparation method, followed by the number of input vertices, the number of arc, the vertex information and each arc of the directed graph information to establish the adjacency list