numbers assigned by the previous pass. If SUBGRAPH is not NULL, it
specifies the subgraph of G whose strongly connected components we want
to determine.
numbers assigned by the previous pass. If SUBGRAPH is not NULL, it
specifies the subgraph of G whose strongly connected components we want
to determine.
After running this function, v->component is the number of the strongly
connected component for each vertex of G. Returns the number of the
sccs of G. */
After running this function, v->component is the number of the strongly
connected component for each vertex of G. Returns the number of the
sccs of G. */