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  1. //Diego Martinez					CSC5				   Chapter 4, P.226,#25
  2. /*******************************************************************************
  3. * VALIDATING INTERNET SERVICE HOURS
  4. * ______________________________________________________________________________
  5. * This program enhances input validation by asking the user to enter the month
  6. * and ensures that the number of hours entered does not exceed the maximum 
  7. * possible hours for that specific month.
  8. *
  9. * 
  10. * Computation is based on the Formula:
  11. *  maxHours : 744 : if month has 31 days
  12. *			: 720 : if months has 30 days
  13. *			: 672 : if month is February (28 days)
  14. *______________________________________________________________________________
  15. * INPUT
  16. *	Package Type
  17. *	Month name
  18. *	Hours used
  19. *	
  20. * OUTPUT
  21. *	Final bill amount
  22. *******************************************************************************/
  23. #include <iostream>
  24. #include <string>
  25. #include <algorithm>
  26. using namespace std;
  27.  
  28. // Function to convert string to lowercase
  29. string toLower(string str) {
  30. 	transform(str.begin(), str.end(), str.begin(), ::tolower);
  31. 	return str;
  32. }
  33.  
  34. // Function to get max hours based on month
  35. int getMaxHours(string month) {
  36. 	month = toLower(month);
  37.  
  38. 	if (month == "january" || month == "march" || month == "may" ||
  39. 		month == "july" || month == "august" || month == "october" ||
  40. 		month == "december")
  41. 		return 744;
  42. 	else if (month == "april" || month == "june" ||
  43. 			 month == "september" || month == "november")
  44. 		return 720;
  45. 	else if (month == "february")
  46. 		return 672;
  47. 	else
  48. 		return -1; // invalid month
  49. }
  50.  
  51. int main() {
  52. 	char package;
  53. 	int hours;
  54. 	string month;
  55. 	double bill = 0.0;
  56.  
  57. 	// Input package
  58. 	cout << "Enter your package (A, B, or C): ";
  59. 	cin >> package;
  60. 	package = toupper(package);
  61.  
  62. 	if (package != 'A' && package != 'B' && package != 'C') {
  63. 		cout << "Invalid package selection.\n";
  64. 		return 1;
  65. 	}
  66.  
  67. 	// Input month
  68. 	cout << "Enter the month name: ";
  69. 	cin >> month;
  70.  
  71. 	int maxHours = getMaxHours(month);
  72.  
  73. 	if (maxHours == -1) {
  74. 		cout << "Invalid month entered.\n";
  75. 		return 1;
  76. 	}
  77.  
  78. 	//Input hours used
  79. 	cout << "Enter number of hours used: ";
  80. 	cin >> hours;
  81.  
  82. 	if (hours < 0 || hours > maxHours) {
  83. 		cout << "Invalid number of hours for " << month
  84. 			 << ". Maximum allowed is " << maxHours << " hours.\n";
  85. 		return 1;
  86. 	}
  87.  
  88. 	// Calculate Bill
  89. 	switch (package) {
  90. 		case 'A':
  91. 			bill = 9.95;
  92. 			if (hours > 10)
  93. 				bill += (hours -10) * 2.0;
  94. 			break;
  95.  
  96. 		case 'B':
  97. 			bill = 14.95;
  98. 			if (hours > 20)
  99. 				bill += (hours - 20) * 1.0;
  100. 			break;
  101.  
  102. 		case 'C':
  103. 			bill = 19.95;
  104. 			break;
  105. 	}
  106.  
  107. 	// Output result
  108. 	cout << "Your total bill for " << month << " is: $" << bill << endl;
  109.  
  110. 	return 0;
  111. }
Success #stdin #stdout 0s 5324KB
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stdin
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B
february
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Enter your package (A, B, or C): Enter the month name: Enter number of hours used: Your total bill for february is: $666.95
https://ideone.com/TPdbT5
Validating Internet Service Hours P.226 #25
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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