#include <cassert>
#include <iostream>
#include <string>
#include <thread>

// Sharing without race.

int main(int argc, char *argv[]) {
  if (argc != 3) {
    std::cerr << "Please, give two integer values in the command line.\n";
    return 1;
  }

  auto a = std::stoi(argv[1]);
  auto b = std::stoi(argv[2]);

  int max, min;

  std::thread calc_min([&min, a, b]() {
    if (a < b) {
      min = a;
    } else {
      min = b;
    }
  });

  std::thread calc_max([&max, a, b]() {
    if (a > b) {
      max = a;
    } else {
      max = b;
    }
  });

  calc_min.join();
  calc_max.join();

  std::cout << "Largest is " << max << ", smallest is " << min << std::endl;

  return 0;
}