fig09_65.cpp

经典书籍源代码啊。。。第三版。。。数据结构与算法分析——C++描述(第3版).

/**
 * Assign num and compute parents.
 */
void Graph::assignNum( Vertex v )
{
    v.num = counter++;
    v.visited = true;
    for each Vertex w adjacent to v
        if( !w.visited )
        {
            w.parent = v;
            assignNum( w );
        }
}