#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/minkowski_sum_2.h>
#include <iostream>
#include <fstream>
#include "print_utils.h"
int main ()
{
std::ifstream in_file ("rooms_star.dat");
if (! in_file.is_open())
{
std::cerr << "Failed to open the input file." << std::endl;
return (1);
}
Polygon_2 P, Q;
in_file >> P >> Q;
in_file.close();
std::cout << "P (+) Q = "; print_polygon_with_holes (sum);
return (0);
}