#include "comppp.h"
int Demeter_in::number_of_terminals()
{
   return input->number_of_terminals();
}

int Input::number_of_terminals()
{
   return 0;
}

int Cd_graph::number_of_terminals()
{
   if (terminal_sets)
      return terminal_sets->list_length();
   else
      return 0;
}