递归算法求一个有向图的强连通分量，输入格式如压缩包中data4.txt，第一行为顶点个数。输出到result.txt中。-recursive algorithm for a directed graph strongly connected component, the input format such as compression package data4.txt. the first acts of the number of vertices. Result.txt exported

Kruskal s algorithm is an algorithm in graph theory that finds a minimum spanning tree for a connected weighted graph. This means it finds a subset of the edges that forms a tree that includes every vertex, where the total weight of all the edges in