Modernes C++ programmieren

//#(compile) c++; compiler:g132; options:-O3 -std=c++23; libs:-
// https://godbolt.org/z/4TMn37qhE 
#include <iostream>
int func ( int arg1, int arg2 )
{
  if (arg1 > arg2)
    return arg1 - arg2;
  else
    return arg2 - arg1;
}
int main ( int argc, const char *argv[] )
{
  for ( int x = 0 ; x < 10 ; ++x )
  {
    for ( int y = 0 ; y < 10 ; ++y )
      std::cout << func ( x, y ) << " ";
    std::cout << "\n";
  }
}