#include <iostream>
#include <tuple>

int div_mod_1(int n, int m, int &mod);
void div_mod_2(int n, int m, int &div, int &mod);
std::tuple<int, int> div_mod_tuple(int n, int m);

int main(int, char *[])
{
  int r1;
  auto q1 = div_mod_1(10, 3, r1);
  std::cout << q1 << " " << r1 << std::endl;
  
  int q2, r2;
  div_mod_2(10, 3, q2, r2);
  std::cout << q2 << " " << r2 << std::endl;

  auto [q3, r3] = div_mod_tuple(10, 3);
  std::cout << q3 << " " << r3 << std::endl;
  
  return 0;
}

int div_mod_1(int n, int m, int &mod) {
  auto div = n / m;
  mod = n % m;
  return div;
}

void div_mod_2(int n, int m, int &div, int &mod) {
  div = n / m;
  mod = n % m;
}

std::tuple<int, int> div_mod_tuple(int n, int m) {
  auto div = n / m;
  auto mod = n % m;
  return {div, mod};
}