c++ - 关于图中计算入度的问题

Question

http://blog.csdn.net/stpeace/...
看了看该博主的博客，感觉怎么出度和入度一个样，对于入度我可以这样修改吗

Answer 1

His one seems to be an undirected graph, so that’s why he did it this way. . If it is a directed graph, I think Loulou’s is fine~ 0 0