Hi, the following example (taken from csr example in boost docs) fails when calling strong_components algorithm. The error message is: /usr/include/boost-1.46.1/boost/graph/strong_components.hpp:59: error: no matching function for call to 'get(int*&, unsigned int&)' the program works with boost 1.41.0 any help would be much appreciated :-) #include <boost/graph/compressed_sparse_row_graph.hpp> #include <string> #include <fstream> #include <boost/graph/strong_components.hpp> using namespace boost; int main() { typedef std::pair<int, int> E; E the_edges[] = { E(0, 1), E(0, 2), E(0, 3), E(1, 0), E(1, 3), E(1, 5), E(2, 0), E(2, 5), E(3, 1), E(3, 4), E(4, 1), E(5, 0), E(5, 2) }; typedef compressed_sparse_row_graph<directedS> WebGraph; WebGraph g(boost::edges_are_sorted, &the_edges[0], &the_edges[0] + sizeof(the_edges)/sizeof(E), 6); // strong components std::vector<int> v(6); int i = boost::strong_components(g, &v[0]); std::cout << i << "\n"; return 0; }