#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(10, 20) << std::endl;  // ok

  std::cout << compare(h, w) << std::endl;  // ok

  std::cout << compare("Hello", "World") << std::endl;  // hm...

  return EXIT_SUCCESS;

}