实现了图的主要操作:（1）分别用邻接矩阵和邻接表实现图的基本操作（包括图的广度和深度优先搜索）；(2）判断该图是否连通，输出该图的连通分量数目；（3）输出一个每一个连通分量的最小生成树。-The main achievement of the plan steps: (1), respectively, with adjacency matrix and adjacency list to achieve the basic map operations (including map the b