对任意给定的图（顶点数不小于20，边数不少于30，图的类型可以是有向图、无向图、有向网、无向网），能够输入图的顶点和边（或弧）的信息，并存储到相应存储结构（邻接矩阵、邻接表、十字链表、邻接多重表，任选其中两种类型）-For any given figure (vertices not less than 20, the side for not less than 30, graph the type can be directed graph, no to figure, was the ne