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//Lab 8a
//A program that allows you to buy coffee, and at any time you can view total number of cups of each size sold, total amount of coffee sold, and total money made.
#include <iostream>
#include <iomanip>
using namespace std;
const double smallcost = 1.75;
const double mediumcost = 1.90;
const double largecost = 2.00;
char choice;
void tutorial(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge);
void sales(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge);
void sizesSold(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge);
void totalCupsSold(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge);
void totalSales(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge);
int main()
{
int small;
int medium;
int large;
int totalSmall;
int totalMedium;
int totalLarge;
char runagain;
do {
tutorial(small, totalSmall, medium, totalMedium, large, totalLarge);
cout << "Do you want to run this program again? Enter Y for yes and N for no: " << endl;
cin >> runagain;
} while (runagain == 'y' || runagain == 'Y');
}
void initialize(int & small, int & medium, int & large)
{
small = 0;
medium = 0;
large = 0;
}
void tutorial(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge)
{
cout << "Please select which option you would like." << endl;
cout << "1. Buy Coffee" << endl;
cout << "2. Display the cups of coffee of each size sold" << endl;
cout << "3. Display the total cups of coffee sold" << endl;
cout << "4. Display the total amount of money earned" << endl;
cin >> choice;
switch (choice)
{
case '1':
sales(small, totalSmall, medium, totalMedium, large, totalLarge);
break;
case '2':
sizesSold(small, totalSmall, medium, totalMedium, large, totalLarge);
break;
case '3':
totalCupsSold(small, totalSmall, medium, totalMedium, large, totalLarge);
break;
case '4':
totalSales(small, totalSmall, medium, totalMedium, large, totalLarge);
break;
default:
cout << "Invalid number selection. Please select a number between 1 and 4." << endl;
}
}
void sales(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge)
{
initialize(small, medium, large);
totalSmall = small;
totalMedium = medium;
totalLarge = large;
cout << "Please read the menu, and select the number \nof each size of coffee that you would like to \npurchase. If you would not like to purchase a certain \nsize of coffee, please enter '0'." << endl << endl;
cout << "Small Cup........................ $" << showpoint << setprecision(3) << smallcost << endl;
cout << "Medium Cup....................... $" << showpoint << setprecision(3) << mediumcost << endl;
cout << "Large Cup........................ $" << showpoint << setprecision(3) << largecost << endl;
cout << "Please enter the number of small cups you would like to purchase: ";
cin >> small;
cout << endl;
cout << "Please enter the number of medium cups you would like to purchase: ";
cin >> medium;
cout << endl;
cout << "Please enter the number of large cups you would like to purchase: ";
cin >> large;
cout << endl;
}
void sizesSold(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge)
{
totalSmall = small;
totalMedium = medium;
totalLarge = large;
cout << "Number of small cups of coffee sold: " << totalSmall << endl;
cout << "Number of medium cups of coffee sold: " << totalMedium << endl;
cout << "Number of large cups of coffee sold: " << totalLarge << endl;
}
void totalCupsSold(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge)
{
totalSmall = small;
totalMedium = medium;
totalLarge = large;
int totalCoffeeSold = totalSmall + totalMedium + totalLarge;
cout << "The total number of coffee cups sold is: " << totalCoffeeSold << endl;
}
void totalSales(int & small, int & totalSmall, int & medium, int & totalMedium, int & large, int & totalLarge)
{
totalSmall = small;
totalMedium = medium;
totalLarge = large;
double moneyMade = (smallcost * totalSmall) + (mediumcost * totalMedium) + (largecost * totalLarge);
cout << "Total Sales are: " << showpoint << moneyMade << endl;
}
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