#include #include #include #include namespace boost { struct edge_component_t { enum { num = 555 }; typedef edge_property_tag kind; } edge_component; } int main() { using namespace boost; typedef adjacency_list < vecS, vecS, undirectedS, no_property, property < edge_component_t, std::size_t > >graph_t; typedef graph_traits < graph_t >::vertex_descriptor vertex_t; graph_t g(9); add_edge(0, 5, g); add_edge(0, 1, g); add_edge(0, 6, g); add_edge(1, 2, g); add_edge(1, 3, g); add_edge(1, 4, g); add_edge(2, 3, g); add_edge(4, 5, g); add_edge(6, 8, g); add_edge(6, 7, g); add_edge(7, 8, g); std::size_t c = 0; std::vector < std::size_t > discover_time(num_vertices(g)); std::vector < vertex_t > lowpt(num_vertices(g)); property_map < graph_t, edge_component_t >::type component = get(edge_component, g); biconnected_components(0, 8, g, component, c, &discover_time[0], &lowpt[0]); std::cout << "graph A {\n" << " node[shape=\"circle\"]\n"; graph_traits < graph_t >::edge_iterator ei, ei_end; for (tie(ei, ei_end) = edges(g); ei != ei_end; ++ei) std::cout << source(*ei, g) << " -- " << target(*ei, g) << "[label=\"" << component[*ei] << "\"]\n"; std::cout << "}\n"; return 0; }