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  1. //Diego Martinez					CSC5				   Chapter 4, P.226,#24
  2. /*******************************************************************************
  3. * Determining Best Internet Package 
  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. This program also determines whether the customer could save money by 
  8. * switching to a different package.
  9. * 
  10. * Computation is based on the Formula:
  11. * Package A: Base fee includes 10 hours, extra hours are charged
  12. * Package B: Base fee includes 20 hours, extra hours are charged
  13. * Package C: Flat rate with unlimited access (no extra charges)
  14. *______________________________________________________________________________
  15. * INPUT
  16. *	Package Type
  17. *	Hours used
  18. *	
  19. * OUTPUT
  20. *	Total monthly bill
  21. *	Any potential savings from switching packages (if applicable)
  22. *******************************************************************************/
  23. #include <iostream>
  24. #include <cctype>
  25. using namespace std;
  26.  
  27. // Function to calculate bill based on package and hours
  28. double calculateBill(char package, int hours) {
  29. 	double bill =  0.0;
  30.  
  31. 	switch (package) {
  32. 		case 'A':
  33. 			bill = 9.95;
  34. 			if (hours > 10)
  35. 				bill += (hours - 10) * 2.0;
  36. 			break;
  37.  
  38. 	case 'B':
  39. 		bill = 14.95;
  40. 		if (hours > 20)
  41. 			bill += (hours - 20) * 1.0;
  42. 		break;
  43.  
  44. 	case 'C':
  45. 		bill = 19.95;
  46. 		break;
  47. 	}
  48.  
  49. 	return bill;
  50. }
  51.  
  52. int main() {
  53. 	char package;
  54. 	int hours;
  55.  
  56. 	// Input package
  57. 	cout << "Enter your package (A, B, or C): ";
  58. 	cin >> package;
  59. 	package = toupper(package);
  60.  
  61. 	// Validate package
  62. 	if (package != 'A' && package != 'B' && package != 'C') {
  63. 		cout << "Invalid package selection.\n";
  64. 		return 1;
  65. 	}
  66.  
  67. 	// Input hours
  68. 	cout << "Enter number of hours used: ";
  69. 	cin >> hours;
  70.  
  71. 	// Validate hours
  72. 	if (hours < 0 || hours > 744) {
  73. 		cout << "Invalid number of hours. Must be between 0 and 744.\n";
  74. 		return 1;
  75. 	}
  76.  
  77. 	// Calculate current bill
  78. 	double currentBill = calculateBill(package, hours);
  79.  
  80. 	// Output current bill
  81. 	cout << "Your total monthly bill: $" << currentBill << endl;
  82.  
  83. 	// Calculate and display savings
  84. 	if (package == 'A') {
  85. 		double costB = calculateBill('B', hours);
  86. 		double costC = calculateBill('C', hours);
  87.  
  88. 		if (costB < currentBill) {
  89. 			cout << "You would save $" << currentBill - costC
  90. 				 << " by switching to Package C.\n";
  91. 		}
  92. 	}
  93. 	else if (package == 'B') {
  94. 		double costC = calculateBill('C', hours);
  95.  
  96. 		if (costC < currentBill) {
  97. 			cout << "You would save $" << currentBill - costC
  98. 				 << " by switching to Package C.\n";
  99. 		}
  100. 	}
  101.  
  102. 	return 0;
  103. }
Success #stdin #stdout 0s 5316KB
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Enter your package (A, B, or C): Enter number of hours used: Your total monthly bill: $1389.95
You would save $1370 by switching to Package C.
https://ideone.com/PSmz5L
Determine Best Internet Package P.226, #24
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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