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  1. //Amari Mosley CSC5 Chapter 4, P.224 #23
  2. //
  3. /**************************************************************
  4. * 
  5. * Calculating Internet Bill
  6. * ____________________________________________________________
  7. * This program calculates a customer's monthly bill.
  8. * 
  9. * Computation is based on the following formulas:
  10. *     Package A: $9.95 + $2.00 per hour over 10 hours
  11. *     Package B: $14.95 + $1.00 per hour over 20 hours
  12. *     Package C: $19.95 unlimited
  13. * ____________________________________________________________
  14. * INPUT 
  15. *   package : Subscription package letter (A, B, or C)
  16. *   hours   : Number of access hours used in a month
  17. * 
  18. * OUTPUT 
  19. *   bill    : Calculated total monthly bill amount
  20. * 
  21. **************************************************************/
  22.  
  23. #include <iostream>
  24. #include <iomanip>
  25. using namespace std;
  26.  
  27. // Defining Main Function
  28. int main ( )
  29. {
  30.     // Defining Variables
  31.     char package;		// The Subscription Package selected by user
  32.     double hours;		// Number of access hours used in a month
  33.     double bill;		// Calculated total monthly bill amount
  34.  
  35.     // Prompting user for package and hours used
  36.     cout << "Enter the subscription package (A, B, or C): ";
  37.     cin >> package;
  38.  
  39.     // Input Validation for Package Selection
  40.     if (package != 'A' && package != 'a' &&
  41.         package != 'B' && package != 'b' &&
  42.         package != 'C' && package != 'c')
  43.     {
  44.         cout << "Error: Package must be A, B, or C." << endl;
  45.     }
  46.     else
  47.     {
  48.         cout << "Enter the number of hours used: ";
  49.         cin >> hours;
  50.  
  51.         // Input Validation for Hours
  52.         if (hours < 0 || hours > 744)
  53.         {
  54.             cout << "Error: Hours used cannot be negative or exceed 744." << endl;
  55.         }
  56.         else
  57.         {
  58.             // Formatting output for currency
  59.             cout << fixed << setprecision(2);
  60.  
  61.             // Calculating monthly bill based on package
  62.             switch (package)
  63.             {
  64.                 case 'A':
  65.                 case 'a':
  66.                     bill = 9.95;
  67.                     if (hours > 10)
  68.                     {
  69.                         bill += (hours - 10) * 2.00;
  70.                     }
  71.                     cout << "The total amount due is $" << bill << endl;
  72.                     break;
  73.  
  74.                 case 'B':
  75.                 case 'b':
  76.                     bill = 14.95;
  77.                     if (hours > 20)
  78.                     {
  79.                         bill += (hours - 20) * 1.00;
  80.                     }
  81.                     cout << "The total amount due is $" << bill << endl;
  82.                     break;
  83.  
  84.                 case 'C':
  85.                 case 'c':
  86.                     bill = 19.95;
  87.                     cout << "The total amount due is $" << bill << endl;
  88.                     break;
  89.             }
  90.         }
  91.     }
  92.  
  93.     return 0;
  94. }
Success #stdin #stdout 0.01s 5288KB
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Enter the subscription package (A, B, or C): Enter the number of hours used: The total amount due is $85.95
https://ideone.com/oUJZUx
CH 4. #23
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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