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  1. //Xinnuo Wang            CS1A                   chapter 4, p.226  #23
  2. //
  3. /*******************************************************************************
  4.  * 
  5.  * Caculate bills under different subscription packages
  6.  * _____________________________________________________________________________
  7.  * This program accepts hours and packages to caculate the bills.
  8.  * 
  9.  * Computation is based on the formula:
  10.  * Bills = basic bills + extra bills
  11.  * _____________________________________________________________________________
  12.  * INPUT
  13.  *   Basic Bills       : The basic bills in limited time
  14.  *   Extra Bills       : The extra bills pay for excessive time
  15.  *   Hours             : Used hours in a month
  16.  *   Choice            : The different subscription packages for customers
  17.  * OUTPUT
  18.  *   Total bills       : The total bills in a month
  19.  * 
  20.  ******************************************************************************/
  21. #include <iostream>
  22. using namespace std;
  23.  
  24. int main() 
  25. {
  26. 	float hours;      //INPUT - Used hours in a month
  27. 	float basicBills; //INPUT - The basic bills in limited time
  28. 	float extraBills; //INPUT - The extra bills pay for excessive time
  29. 	int choice;       //INPUT - The different subscription packages for customers
  30. 	float totalBills; //OUTPUT - The total bills in a month
  31. 	cout <<"===== MANU ====="<<endl;
  32. 	cout <<"1. Package A"<<endl;
  33. 	cout <<"2. Package B"<<endl;
  34. 	cout <<"3. Package C"<<endl;
  35. //
  36. //Data Input
  37. 	cout<<"Enter choice"<<endl;
  38. 	cin>>choice;
  39. 	cout <<"Enter hours"<< endl;
  40. 	cin>>hours;
  41. //
  42. //Check validation
  43. 	if(hours>744)
  44. 	{
  45. 		cout<<"Invalid time"<< endl;
  46. 		return 0;
  47. 	}
  48. //
  49. //Output
  50. 	switch(choice)
  51. 	{
  52. 		case 1:
  53. 		if(hours<=10)
  54. 		{
  55. 		    totalBills = 9.95;
  56. 		    cout << "The total bills are: $" <<totalBills <<endl;
  57. 		}
  58. 		else
  59. 		{
  60. 		    totalBills = 9.95 +(hours - 10)	*2;
  61. 		    cout << "The total bills are: $" <<totalBills <<endl;break;
  62. 		}
  63. 		case 2:
  64. 		if(hours<=20)
  65. 		{
  66. 		    totalBills = 14.95;
  67. 		    cout << "The total bills are: $" <<totalBills <<endl;
  68. 		}
  69. 		else
  70. 		{
  71. 		    totalBills = 14.95 +(hours - 20)	*1;
  72. 		    cout << "The total bills are: $" <<totalBills <<endl;break;
  73. 		}
  74. 		case 3:
  75. 		{
  76. 			totalBills = 19.95;
  77. 		    cout << "The total bills are: $" <<totalBills <<endl;break;
  78. 		}
  79. 		default:
  80. 		cout<<"Invalid choice"<< endl;
  81. 	}
  82. 	return 0;
  83. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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stdout
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===== MANU =====
1. Package A
2. Package B
3. Package C
Enter choice
Enter hours
The total bills are: $50.95
https://ideone.com/Evumnm
language:
C++ (gcc 8.3)
created:
1 hour ago
visibility:
public

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