图：　　调试图的邻接链表存储的程序，解决下列问题：

根据教科书P157页的G2图（无向图），输入数据运行程序；再适当修改程序使它适用于G1图（有向图），输入数据运行程序。-Adjacency list graph debug stored procedures, to address the following issues: According to the textbook page G2 Fig P157 (undirected graph), input data to run programs　modify the program so that it no longer appropriate for G1 plan (directed graph), input data run the program.