// Code derived from Stroustrup's PPP2 book
// § 4.5.1 Why bother with functions?
//  -and beginning on p 116

#include <iostream>

using std::cout;

void print_square(int v) { cout << v << '\t' << v * v << '\n'; }

int main()
{
  for (int i = 0; i < 100; ++i)
    print_square(i);
}