#include <iostream>

#include <string>

#include <cstdlib>



// returns 0 if equal, 1 if value1 is bigger, -1 otherwise

template <typename T>

int compare(const T &value1, const T &value2) {

  if (value1 < value2) return -1;

  if (value2 < value1) return 1;

  return 0;

}



int main(int argc, char **argv) {

  std::string h("hello"), w("world");

  std::cout << compare<int>(10, 20) << std::endl;

  std::cout << compare<std::string>(h, w) << std::endl;

  std::cout << compare<double>(50.5, 50.6) << std::endl;

  return EXIT_SUCCESS;

}