#include <vector>
#include <boost/mpi.hpp>

namespace mpi = boost::mpi;

int main(int argc, char* argv[]) 
{
  mpi::environment env(argc, argv);
  mpi::communicator world;

  if (!world.rank())
    {
      std::vector<int> v(1);
      mpi::group wg = world.group();
      mpi::group g = wg.include(v.begin(), v.end());
      mpi::communicator c(world, g);
    }

  return 0;
}