//
// Filename:      pgm2_7a.cpp
//
// Description:   Demonstrating the 'do while' construct.
//
// ENSC 104:      Digital Computer Programming
//
// Instructor:    Dr. Walsh
//
// Section:       2
//
// Date Created:  02/19/98
// Last Modified: 02/19/98
//
// Name:          N/A
//

#define COUNT  5

#include <iostream.h>

main()
   {
   int counter = 1;

   cout << "\n'do while' loop with pre-increment\n";
   do {
      cout << counter << " ";
      } while ( ++counter < COUNT );
   cout << endl;



   cout << "\n'do while' loop with post-increment\n";
   counter = 1;
   do {
      cout << counter << " ";
      } while ( counter++ < COUNT );
   cout << endl;



   cout << "\n'do while' loop with pre-decrement\n";
   counter = COUNT;
   do {
      cout << counter << " ";
      } while ( --counter > 0 );
   cout << endl;



   cout << "\n'do while' loop with post-decrement\n";
   counter = COUNT;
   do {
      cout << counter << " ";
      } while ( counter-- > 0 );
   cout << endl;



   cout << "\n'do while' loop with '+=' operator\n";
   counter = 0;
   do {
      cout << counter << " ";
      } while ( (counter+=2) <= 10 ); // Better evaluate '+=' before '<' or else!
   cout << endl;


   return 0;
   }