// Author:  Keith A. Shomper
// Date:    2/23/2004
// Purpose: To demonstrate variable scope

#include <iostream>

using namespace std;

char i = 'A';

print() {
   cout << "print scope:  " << i << endl;
}

main () {
   int i = 1;
   int j = 2;
   int k = 3;

   cout << "main scope:  " << i << " " << j << " " << k << endl;

   {
      int i, j = 10, k = 20;

      cout << "main (first block):  " << i << " " << j << " " << k << endl;
   }

   cout << "main scope:  " << i << " " << j << " " << k << endl;

   print();

   while (k >= 0) {
      int i = k * 5;

      cout << "main (while block):  " << i << " " << j << " " << k << endl;

      k--;
   }

   cout << "main scope:  " << i << " " << j << " " << k << endl;

   return 0;
}