#include <mpi.h>
int main(int argc, char *argv[]) {
  MPI_Win win;
  MPI_Init(0,0);
  MPI_Win_create(MPI_BOTTOM,0,1,MPI_INFO_NULL,MPI_COMM_SELF,&win);
  MPI_Win_set_info(win,MPI_INFO_NULL);
  MPI_Win_free(&win);
  MPI_Finalize();
}