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  1. //Diego Martinez					CSC5				   Chapter 4, P.226,#23
  2. /*******************************************************************************
  3. * CALCULATE MONTHLY INTERNET BILL
  4. * ______________________________________________________________________________
  5. * This program calculates a customer's monthly Internet bill based on the subsc-
  6. * ription package they selected and the number of hours they used during the 
  7. * month.
  8. * 
  9. * Computation is based on the Formula:
  10. * Package A : Base fee includes 10 hours, extra hours are charged
  11. * Package B : Base fee includes 20 hours, extra hours are charged
  12. * Package C : Flat rate with unlimited access (no extra charges)
  13. *______________________________________________________________________________
  14. * INPUT
  15. *	Package Type
  16. *	Hours used
  17. *	
  18. * OUTPUT
  19. *	Total monthly bill
  20. *******************************************************************************/
  21. #include <iostream>
  22. #include <cctype>
  23. using namespace std;
  24.  
  25. int main() {
  26. 	char package;
  27. 	int hours;
  28. 	double totalBill = 0.0;
  29.  
  30. 	// Input package
  31. 	cout << "Enter your package (A, B, C): \n";
  32. 	cin >> package;
  33. 	package = toupper(package);
  34.  
  35. 	// Validate package
  36. 	if (package != 'A' && package != 'B' && package != 'C'){
  37. 		cout << "Invalid package selection.\n";
  38. 		return 1;
  39. 	}
  40.  
  41. 	// Input hours used
  42. 	cout << "Enter number of hours used: \n";
  43. 	cin >> hours;
  44.  
  45. 	// Validate hours 
  46. 	if (hours < 0 || hours > 744) {
  47. 		cout  << "Invalid number of hours. Must be between 0 and 744.\n";
  48. 		return 1;
  49. 	}
  50.  
  51. 	// Calculate bill
  52. 	switch (package) {
  53. 		case 'A':
  54. 			totalBill = 9.95;
  55. 			if (hours > 10)
  56. 				totalBill += (hours - 10) * 2.0;
  57. 			break;
  58.  
  59. 		case 'B':
  60. 			totalBill = 14.95;
  61. 			if (hours > 20)
  62. 				totalBill += (hours - 10) * 1.0;
  63. 			break;
  64.  
  65. 		case 'C':
  66. 			totalBill = 19.95;
  67. 			break;
  68. 	}
  69.  
  70. 	// Output result
  71. 	cout << "Your total monthly bill is: $" << totalBill << endl;
  72.  
  73. 	return 0;
  74. }
Success #stdin #stdout 0s 5316KB
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Enter your package (A, B, C): 
Enter number of hours used: 
Your total monthly bill is: $13.95
https://ideone.com/QRCbhA
Calculate Monthly Internet Bill P.226, #23
language:
C++ (gcc 8.3)
created:
4 hours ago
visibility:
public

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