//
// Filename:      pgm2_2b.cpp
//
// Description:   Demonstration of Nested If's and Nested conditional if's.
//
// ENSC 104:      Digital Computer Programming
//
// Instructor:    Dr. Walsh
//
// Section:       2
//
// Date Created:  01/29/98
// Last Modified: 01/29/98
//
// Name:          N/A
//
#include <iostream.h>

main()
   {
   int grade=0;

   cout << "Enter the student's grade: ";
   cin >> grade;
   cout << "You entered the following grade: " << grade << endl << endl;

   //
   // Example #1
   //
   if ( grade >= 90 )
      cout << "Your grade is an A!\n";
   else if ( grade >= 80 )
      cout << "Your grade is an B!\n";
   else if ( grade >= 70 )
      cout << "Your grade is an C!\n";
   else if ( grade >= 60 )
      cout << "Your grade is an D!\n";
   else
      cout << "Your grade is an F!\n\n";

   //
   // Example #2
   //
   if ( grade >= 90 )
      cout << "Your grade is an A!\n";
   else
      if ( grade >= 80 )
         cout << "Your grade is an B!\n";
      else 
         if ( grade >= 70 )
            cout << "Your grade is an C!\n";
         else
            if ( grade >= 60 )
               cout << "Your grade is an D!\n";
            else
               cout << "Your grade is an F!\n\n";

   //
   // Example #3
   //
   if ( grade >= 90 )
      {
      cout << "Your grade is an A!\n";
      }
   else if ( grade >= 80 )
      {
      cout << "Your grade is an B!\n";
      }
   else if ( grade >= 70 )
      {
      cout << "Your grade is an C!\n";
      }
   else if ( grade >= 60 )
      {
      cout << "Your grade is an D!\n";
      }
   else
      {
      cout << "Your grade is an F!\n\n";
      }

   //
   // Example #4: Nested Conditional If's
   //
   cout << ( grade >= 90 ? "Your grade is an A!\n" : 
           ( grade >= 80 ? "Your grade is an B!\n" : 
           ( grade >= 70 ? "Your grade is an C!\n" : 
           ( grade >= 60 ? "Your grade is an D!\n" : 
                           "Your grade is an F!\n") ) ) ) << endl;

   return 0;
   }