#include "boost/graph/adjacency_list.hpp"

using namespace boost;

int main(int argc, char** argv)
{
  typedef property<vertex_index_t, boost::shared_ptr<int> > prop;
  typedef adjacency_list<vecS, vecS, directedS, prop> Graph;

  Graph g;
  boost::add_vertex(g);

  return 0;
}