对任意给定的网络（顶点数和边数自定），建立它的邻接矩阵并输出，然后利用Prim算法或Kruskal算法生成它的最小生成树，并输出结果。-On any given network (the number of vertices and edges from the set), the establishment of its adjacency matrix and output, and then use Prim algorithm or Kruskal algorithm to genera