/* Demonstrates functions */

#include <iostream>

using namespace std;

// If the function is instead defined_after_main(), the
// declaration double mySquare(int x); must appear here!

double mySquare( int aX) {     // Function definition follows
  return (aX * aX);
} 

int main() {                   // Start of program
  int endNumber;               // Definitions
  char ch;

  do
    {
      cout << "Insert the number of squares desired ";
      cin >> endNumber;
      cout << endl;
      for (int i=1; i<endNumber+1; i++)
	cout << mySquare(i) << endl;  // Squares the numbers

      cout << endl << "Do you want to continue (y/n)? ";
      cin >> ch;
    }
  // The program stays in this loop until y or Y is entered
  while (ch == 'y' || ch == 'Y');
}