taach_hotel.cpp

#include <iostream>

using namespace std;

/*
    a function to calculate the total cost of an accomodation
    @param accomodationType is accomodation type
    @param numberOfDays is days of stay
*/
float calculateTotalCost(string accomodationType,int numberOfDays){
    int supCost = 2000; //Cost of SUP  per day
    int dowCost = 1200; //Cost of DOW per day
    float totalCost; //total cost of accomodation
    if(accomodationType == "SUP"){
        totalCost = numberOfDays * supCost;
    }else if(accomodationType == "DOW"){
        totalCost = numberOfDays * dowCost;
    }
    return totalCost;
}
/*
    a function to calculate discount
*/
float calulateDiscount(int numberOfDays,string accomodationType){
    float totalCost = calculateTotalCost(accomodationType,numberOfDays);
    //declare discount variable
    float discount = 0;
    //SUP type
    if(accomodationType =="SUP"){

        if(numberOfDays < 3){
            discount = 0.1 * totalCost;
        }
        else if(numberOfDays >= 3){
            discount = 0.2 * totalCost;
        }
        else if(numberOfDays >= 5){
            discount = 0.25 * totalCost;
        }
    }
    else if(accomodationType == "DOW"){
        if(numberOfDays >= 3){
            discount = 0.2 * totalCost;
        }
        else if(numberOfDays >=5){
             discount = 0.25 * totalCost;
        }
    }
    
    return discount;
}

int main()
{
    cout << "Welcome to Accomodation Charges Calculator."<<endl;
    cout << "================================================="<<endl;
    cout<<"Enter the number of customers you want to calculate charges for:"<<endl;
    int numberOfCustomers; //number of customers to compute charges for
    
    string name; //name of customer
    
    string accomodationType; //type of accomodation
    
    int numberOfDays; //days of stay/accomodation
    
    float totalCost; // total cost for a customer
    
    float netCost; //net cost for a customer
    
    float discount; //discount for a customer
    
    float allCustomersTotal; // total cost of all customers
    
    float allCustomersDiscount; //total discount for all customers
    
    //get the customers to compute for
    cin >> numberOfCustomers;
    
    //Loop through all customers,get their details,calculate and output their charges
    for(int i = 0; i < numberOfCustomers; i++){
        cout << "Enter customer name:";
        cin >> name;
        if(name =="XXX"){
            cout << "Program exit.";
            exit(1); // exit the program
        }

        cout << "Enter accommodation type, SUP or DOW:";
        cin >> accomodationType;


        cout<< "Enter number of days of accomodation: ";
        cin >> numberOfDays;

        totalCost = calculateTotalCost(accomodationType,numberOfDays);
        discount = calulateDiscount(numberOfDays,accomodationType);
		netCost = totalCost - discount;
		
		cout << "-------------------------------------------------" << endl;
        cout << "Customer Name : " << name<< "\n";
        cout << "Accomodation Charge : " << totalCost << "\n";
        cout << "Discount : " << discount << endl << "\n";
        cout << "Net Cost : " << netCost << "\n";

		cout << "-------------------------------------------------" << endl;

        allCustomersTotal += totalCost; //add the new total cost
        allCustomersDiscount += discount; //add the new discount
    }

    cout << "Summary for all Customers" << endl;
    cout << "-------------------------------"<<endl;

    cout << "Total Accomodation charge : " << totalCost<<endl;
    cout << "Total Discount : " << discount << endl;
    cout << "Total Net Charge: " << allCustomersTotal - allCustomersDiscount << endl;
}