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Help with program ASAP!!!!!

josephhoffman28 (53)
Below is my code I need help adding the following features:

*Print the order summary, including the products, the quantities, and the total price for each product
*Calculate and print the total price for the order

I can really use help solving this. One of the requirements was to *Ask customers to select multiple products and quantities. It seems I got this figured out just need help with the last two features. Please help ASAP! real help not sending me a link to more confusion.



// Use of functions
#include <iostream>
#include <string>
using namespace std;


void displayMenu(string userName)
{

cout << userName << ", Please select the beverage you would like to purchase from the menu: " << endl;

cout << "Drink Menu" << endl;
cout << "========" << endl;
cout << "1 - Water $1" << endl;
cout << "2 - Soda $2" << endl;
cout << "3 - Iced Tea $3" << endl;
cout << "X - Exit " << endl << endl;
}

// View option 1 for <name>
void viewOption1(string name)
{
cout << "Name: " << name << endl;
cout << "Selection: " << "Water," << " Price: $1.45" << endl;
}


// View option 2 for <name>
void viewOption2(string name)
{
cout << "Name: " << name << endl;
cout << "Selection: " << "Soda," << " Price: $2.98" << endl;
}


// View option 3 for <name>
void viewOption3(string name)
{
cout << "Name: " << name << endl;
cout << "Selection: " << "Iced Tea," << " Price: $3.29" << endl;
}


int main(void)
{
char selection = ' ';
string name = "";
double price, subtl;
int code, quantity;
double total = 0; //allows you to use += to calculate produce subtotal since no tax.
//Will also reset total to 0 when you want to serve a new customer.

//Ask user for her/his name
cout << "Please enter your name ==> ";
getline(cin, name);

//display user name
cout << "Hello " + name << endl;

cout << "Would you like to see our drink menu: (Y/N)\n";
cin >> selection;

while (selection == 'y' || selection == 'Y')
{
displayMenu(name);

do
{
// display menu
//displayMenu(name);
cout << "Please select: ";
// read user selection
cin >> selection;


switch (selection)
{
case '1':
cout << "You selected Water" << endl;
cout << "Enter Quantity:";
cin >> quantity;
if (quantity <= 0)
{
cout << "Invalid Quantity" << endl;
cin >> quantity;
}
price = 1.45;
subtl = (quantity*price);
cout << "Subtotal $\n" << subtl << endl;
viewOption1(name);
break;
case '2':
cout << "You selected Soda" << endl;
cout << "Enter Quantity:";
cin >> quantity;
if (quantity <= 0)
{
cout << "Invalid Quantity" << endl;
cin >> quantity;
}
price = 2.98;
subtl = (quantity*price);
cout << "Subtotal $\n" << subtl << endl;
viewOption2(name);
break;
case '3':
cout << "You selected Iced Tea" << endl;
cout << "Enter Quantity:";
cin >> quantity;
if (quantity <= 0)
{
cout << "Invalid Quantity" << endl;
cin >> quantity;
}
price = 3.29;
subtl = (quantity*price);
cout << "Subtotal $\n" << subtl << endl;
viewOption3(name);
break;
cout << "Thank you!!!" << endl;
break;
case '0'://Sentinal value that gives subtotal (because no tax) then ends your function.
cout << "Subtotal: \n" << total << endl;
break;
// other than 1, 2, 3 and X...
default: cout << "Invalid selection. Please try again ";
// no break in the default case
}
total += subtl; //will add all the produce values up. is read as total=total+subt
} while (selection != 0);//checks if code = 0 at the end of function wont end till it is.
}
cout << "Would you like to continue shopping?(Y/N)";
cin >> selection;
}
Manga (1030)
I debugged what you have so far...

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// Use of functions
#include <iostream>
#include <string>
using namespace std;


void displayMenu(string userName)
{

	cout << userName << ", Please select the beverage you would like to purchase from the menu: " << endl;

	cout << "Drink Menu" << endl;
	cout << "========" << endl;
	cout << "1 - Water $1.45" << endl;
	cout << "2 - Soda $2.98" << endl;
	cout << "3 - Iced Tea $3.29" << endl;
	cout << "4 - Exit " << endl << endl; //use a number here or people may try x or X
}

// View option 1 for <name>
void viewOption1(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Water," << " Price: $1.45" << endl;
}


// View option 2 for <name>
void viewOption2(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Soda," << " Price: $2.98" << endl;
}


// View option 3 for <name>
void viewOption3(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Iced Tea," << " Price: $3.29" << endl;
}


int main(void)
{
	char selection = ' ';
	string name = "";
	double price, subtl = 0; //need subtl initialized
	int code, quantity;
	double total = 0; //allows you to use += to calculate produce subtotal since no tax. 
					  //Will also reset total to 0 when you want to serve a new customer.

					  //Ask user for her/his name
	cout << "Please enter your name ==> ";
	getline(cin, name);

	//display user name
	cout << "Hello " + name << endl;

	cout << "Would you like to see our drink menu: (Y/N)\n";
	cin >> selection;

	while (selection == 'y' || selection == 'Y')
	{
		displayMenu(name);

		do
		{
			// display menu
			//displayMenu(name);
			cout << "Please select: ";
			// read user selection
			cin >> selection;


			switch (selection)
			{
			case '1':
				cout << "You selected Water" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 1.45;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption1(name);
				break;
			case '2':
				cout << "You selected Soda" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 2.98;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption2(name);
				break;
			case '3':
				cout << "You selected Iced Tea" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 3.29;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption3(name);
				break;
				cout << "Thank you!!!" << endl;
				break;
			case '4'://Sentinal value that gives subtotal (because no tax) then ends your function.
				cout << "Subtotal: \n" << total << endl;
				selection = 0; //to end the menu
				break;
				// other than 1, 2, 3 and X...
			default: cout << "Invalid selection. Please try again ";
				// no break in the default case
			}
			total += subtl; //will add all the produce values up. is read as total=total+subt
		} while (selection != 0);//checks if code = 0 at the end of function wont end till it is.
	}
	cout << "Would you like to continue shopping?(Y/N)";
	cin >> selection;

	return 0; //end the program
}


Next you should write a new function that prints out the customers total order and price.
Manga (1030)
Or you can just add something like this to the end of the program...

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// Use of functions
#include <iostream>
#include <string>
using namespace std;


void displayMenu(string userName)
{

	cout << userName << ", Please select the beverage you would like to purchase from the menu: " << endl;

	cout << "Drink Menu" << endl;
	cout << "========" << endl;
	cout << "1 - Water $1.45" << endl;
	cout << "2 - Soda $2.98" << endl;
	cout << "3 - Iced Tea $3.29" << endl;
	cout << "4 - Exit " << endl << endl; //use a number here or people may try x or X
}

// View option 1 for <name>
void viewOption1(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Water," << " Price: $1.45" << endl;
}


// View option 2 for <name>
void viewOption2(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Soda," << " Price: $2.98" << endl;
}


// View option 3 for <name>
void viewOption3(string name)
{
	cout << "Name: " << name << endl;
	cout << "Selection: " << "Iced Tea," << " Price: $3.29" << endl;
}


int main(void)
{
	char selection = ' ';
	string name = "";
	double price, subtl = 0; //need subtl initialized
	int code, quantity;
	double total = 0; //allows you to use += to calculate produce subtotal since no tax. 
					  //Will also reset total to 0 when you want to serve a new customer.

					  //Ask user for her/his name
	cout << "Please enter your name ==> ";
	getline(cin, name);

	//display user name
	cout << "Hello " + name << endl;

	cout << "Would you like to see our drink menu: (Y/N)\n";
	cin >> selection;

	while (selection == 'y' || selection == 'Y')
	{
		displayMenu(name);

		do
		{
			// display menu
			//displayMenu(name);
			cout << "Please select: ";
			// read user selection
			cin >> selection;


			switch (selection)
			{
			case '1':
				cout << "You selected Water" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 1.45;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption1(name);
				break;
			case '2':
				cout << "You selected Soda" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 2.98;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption2(name);
				break;
			case '3':
				cout << "You selected Iced Tea" << endl;
				cout << "Enter Quantity:";
				cin >> quantity;
				if (quantity <= 0)
				{
					cout << "Invalid Quantity" << endl;
					cin >> quantity;
				}
				price = 3.29;
				subtl = (quantity*price);
				cout << "Subtotal $\n" << subtl << endl;
				viewOption3(name);
				break;
				cout << "Thank you!!!" << endl;
				break;
			case '4'://Sentinal value that gives subtotal (because no tax) then ends your function.
				cout << "Subtotal: \n" << total << endl;
				selection = 0; //to end the menu
				break;
				// other than 1, 2, 3 and X...
			default: cout << "Invalid selection. Please try again ";
				// no break in the default case
			}
			total += subtl; //will add all the produce values up. is read as total=total+subt
		} while (selection != 0);//checks if code = 0 at the end of function wont end till it is.
	}
	cout << "Would you like to continue shopping?(Y/N)";
	cin >> selection;

	if (subtl > 0) {
		cout << endl << endl;
		cout << "Your subtotal is: $" << subtl << endl;
		total = subtl + (subtl * .08);
		total *= 100;
		total = round(total);
		total /= 100;
		cout << "Your total with tax is: $" << total << endl;
		//cout << total;
	}

	cin.ignore();
	cin.get();
	return 0; //end the program
}
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