Answer to Question #250267 in C++ for Kyle

Question

Sample Run 1

Welcome to CS126 Mart!

Item Codes Description Price

100 Sweet ‘n Ripe Grapes 125.35

101 Crunchy Apples 52.20

109 Green Peas 25.75

Enter Code: 128

Invalid code, please enter a valid one.

Enter Code: 100

Sweet ‘n Ripe Grapes 125.35

Quantity -3

Invalid Quantity, please enter again.

Quantity 2

Subtotal: 250.70

Enter Code: 101

Crunchy Apples 52.20

Quantity 1

Subtotal: 52.20

Enter Code: 0

Total Amount Due: 302.90

Cash: 100.00

Insufficient Cash!

Cash: 1000.00

Change: 697.10

=========== CHANGE BREAKDOWN ===========

1000 0 0

500 1 500.00

200 0 0

100 1 100.00

50 1 50.00

20 2 40.00

10 0 0

5 1 5.00

1 2 2.00

0.25 0 0

0.10 1 0.10

0.05 0 0

Do you want another transaction? <y/n> No.

Answer 1

#include <iostream>


using namespace std;


int main() {
	int a = 1;
	int code = 1;
	float total = 0;
	while (true) {
		cout << "Sample run " << a << endl <<
			"Welcome to CS126 Mart!" << endl <<
			"Item Codes Description Price" << endl <<
			"100 Sweet ‘n Ripe Grapes 125.35" << endl <<
			"101 Crunchy Apples 52.20" << endl <<
			"109 Green Peas 25.75";
			"Enter Code: ";
		while (code != 0)	{
			cout << endl << "Enter Code: ";
			cin >> code;
			


			switch (code) {
			case 100:
				cout << endl << "Sweet ‘n Ripe Grapes 125.35" << endl;
				cout << "Quantity ";
				int quant;
				cin >> quant;
				while (quant <= 0) {
					cout << "Invalid Quantity, please enter again." << endl << "Quantity";
					cin >> quant;
				}
				total += quant * 125.35;
				cout << "Subtotal: " << quant * 125.35 << endl;
				break;
			case 101:
				cout << endl << "Crunchy Apples 52.20" << endl;
				cout << "Quantity ";
				cin >> quant;
				while (quant <= 0) {
					cout << "Invalid Quantity, please enter again." << endl << "Quantity";
					cin >> quant;
				}
				total += quant * 52.20;
				cout << "Subtotal: " << quant * 52.20 << endl;
				break;
			case 109:
				cout << endl << "Green Peas 25.75" << endl;
				cout << "Quantity ";
				cin >> quant;
				while (quant <= 0) {
					cout << "Invalid Quantity, please enter again." << endl << "Quantity";
					cin >> quant;
				}
				total += quant * 25.75;
				cout << "Subtotal: " << quant * 25.75 << endl;
				break;


			case 0:
				break;
			default:
				cout << "Invalid code, please enter a valid one." << endl;
				break;
			}
		}
		cout <<
			"Total amount due: " << total << endl;
		float cash;
		while (true) {
			cout << "Cash: " << endl;
			cin >> cash;
			if(cash < total) {
				cout << "Insufficient Cash!" << endl;
				continue;
			}
			else {
				cout << "Change: " << cash - total << endl;
				break;
			}


		}
		cout << "Do you want another transaction? <y/n>" << endl;
		char a;
		cin >> a;
		if (a == 'n') {
			break;
		}
	}
}