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  1. //Zachary Abdollahi				CS1A				      Chapter 6, P. 373, #14
  2. //
  3. /*******************************************************************************
  4.  * 
  5.  * COMPUTE HOSPITAL CHARGES
  6.  * 
  7.  * This program computes and displays the total charges for a patient's 
  8.  * hospital stay. It handles both in-patients and out-patients using 
  9.  * overloaded functions.
  10.  * 
  11.  * Computations:
  12.  * In-patient = (days * dailyRate) + medication + services
  13.  * Out-patient = medication + services
  14.  * 
  15.  * INPUT
  16.  *	patientType  : Choice between in-patient (1) or out-patient (2)
  17.  *  days		 : Number of days spent in the hospital
  18.  *  dailyRate    : Daily room rate
  19.  *  medCharges   : Hospital medication charges
  20.  *  servCharges  : Charges for hospital services (labs, etc.)
  21.  *  
  22.  * OUTPUT
  23.  *  totalCharges : Total calculated charges for patient
  24.  * 
  25.  ******************************************************************************/
  26.  
  27.  #include <iostream>
  28.  #include <iomanip>
  29.  using namespace std;
  30.  
  31.  // Function Prototypes
  32.  double calcTotalCharges(int days, double dailyRate, double medCharges,
  33. 		double servCharges);
  34.  double calcTotalCharges(double medCharges, double servCharges);
  35.  double getValidNumber(string prompt);
  36.  int getValidInt(string prompt);
  37.  
  38.  int main()
  39.  {
  40.  	int patientType;
  41.  	int days;
  42.  	double dailyRate;
  43.  	double medCharges;
  44.  	double servCharges;
  45.  	double totalCharges;
  46.  
  47.  	// Ask if patient was in-patient or out-patient
  48.  	cout << "Hospital Billing System\n";
  49.  	cout << "1. In-Patient\n";
  50.  	cout << "2. Out-Patient\n";
  51.  	cout << "Enter patient type (1 or 2): ";
  52.  	cin >> patientType;
  53.  
  54.  	// Validate patient type input
  55.  	while (patientType != 1 && patientType != 2)
  56.  	{
  57.  		cout << "Invalid choice. Please enter 1 for In-Patient or 2 for Out-Patient: ";
  58.  		cin >> patientType;
  59.  	}		
  60.  	// Process based on patient type
  61.  	if (patientType == 1)
  62.  {	
  63.  	// Get in-patient data with input validation
  64.  	days = getValidInt("Enter number of days spent in the hospital: ");
  65.  	dailyRate = getValidNumber("Enter the daily rate ($): ");
  66.  	medCharges = getValidNumber("Enter hospital medication charges ($): ");
  67.  	servCharges = getValidNumber("Enter charges for hospital services ($): ");
  68.  
  69.  	//Call overloaded function for in-patient
  70.  	totalCharges = calcTotalCharges(days, dailyRate, medCharges, servCharges);
  71.  }
  72.  else
  73.  {
  74.  	// Get out-patient data with input validation
  75.  	servCharges = getValidNumber("Enter charges for hospital services ($): ");
  76.  	medCharges = getValidNumber("Enter hospital medication charges ($): ");
  77.  
  78.  	// Call overloaded function for out-patient
  79.  	totalCharges = calcTotalCharges(medCharges, servCharges);
  80.  }
  81.  
  82.  // Display formatted output
  83.  cout << fixed << showpoint << setprecision(2);
  84.  cout << "\n-------------------------------" << endl;
  85.  cout << "Total Hospital Charges: $" << totalCharges << endl;
  86.  cout << "-------------------------------" << endl;
  87.  
  88.  return 0;
  89.  }
  90.  
  91.  /******************************************************************************
  92.   * 					calcTotalCharges (In-Patient)						   *
  93.   * Overloaded function that calculates total charges for an in-patient stay.  *
  94.   *****************************************************************************/
  95.   double calcTotalCharges(int days, double dailyRate, double medCharges,
  96. 						  double servCharges)
  97.  {
  98.  	return (days * dailyRate) + medCharges + servCharges;
  99.  }
  100.  
  101.  /******************************************************************************
  102.   * 			   	    calcTotalCharges (Out-Patient)					       *
  103.   * Overloaded function that calculates total charges for an out-patient visit.*
  104.   *****************************************************************************/
  105.   double calcTotalCharges(double medCharges, double servCharges)
  106.   {
  107.   	return medCharges + servCharges;
  108.   }
  109.  
  110.   /*****************************************************************************
  111.    *						getValidNumber									   *
  112.    * Prompts the user for a double value and rejects negative numbers		   *
  113.    ****************************************************************************/
  114.    double getValidNumber(string prompt)
  115.    {
  116.    	double value;
  117.    	cout << prompt;
  118.    	cin >> value;
  119.  
  120.    	while (value < 0)
  121.    	{
  122.    		cout << "Error: Value cannot be negative. " << prompt;
  123.    		cin >> value;
  124.    	}
  125.    	return value;
  126.    }
  127.  
  128.    /****************************************************************************
  129.     *								getValidInt								   *
  130.     * Prompts the user for an integer value and rejects negative numbers       *
  131.     ***************************************************************************/
  132.     int getValidInt(string prompt)
  133.     {
  134.     	int value;
  135.     	cout << prompt;
  136.     	cin >> value;
  137.  
  138.     	while (value <0)
  139.     	{
  140.     		cout << "Error: Value cannot be negative " << prompt;
  141.     		cin >> value;
  142.     	}
  143.     	return value;
  144.     }
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Hospital Billing System
1. In-Patient
2. Out-Patient
Enter patient type (1 or 2): Enter number of days spent in the hospital: Enter the daily rate ($): Enter hospital medication charges ($): Enter charges for hospital services ($): 
-------------------------------
Total Hospital Charges: $1610.75
-------------------------------
https://ideone.com/rBuiI4
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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