COFFEE BAR PROJECT IN C++ FOR STUDENTS OF STD. XI WITH COMPLETE DOWNLOADABLE CPP FILE (100% WORKING CODE)

//Coffee Bar
#include<iostream>
#include<stdlib.h>
#include<string.h>
#include<iomanip>
using namespace std;

//Global Variable
float amount=0; //To calculate the total amount.
int size=0; //Total Items Added to Order

//Structure to store the ordered items & generate bill
struct Items
{
int id;
char item[20];
int qty;
float rate;
float amt;
}I[20];

//Function Prototyping
void drawLine(); //Function to drawLines for presentation 
void Header(); //Display Heading in Invoice
void menu(); //Displaying Menu of Items
void showBill(); //Displaying Invoice

void drawLine()
{
for(int i=1;i<70;i++)
cout<<"=";
cout<<endl;
}

void Header()
{
cout<<setw(10)<<"I.D."
    <<setw(20)<<"Item Name"
    <<setw(10)<<"Qty."
    <<setw(10)<<"Rate"
<<setw(10)<<"Amount"
<<endl;
}

void showBill()
{
system("cls");
drawLine();
cout<<"\t\t\tITEMIZED INVOICE\n";
drawLine();
Header();
drawLine();
for(int i=0;i<size;i++)
{
cout<<setw(10)<<I[i].id
    <<setw(20)<<I[i].item
    <<setw(10)<<I[i].qty
    <<setw(10)<<I[i].rate
<<setw(10)<<I[i].amt
<<endl;
}
cout<<endl;
cout<<setw(50)<<"Total Amount : "
    <<setw(10)<<amount<<endl;
drawLine();
}

void menu()
{
drawLine();
cout<<"\t\tSAM'S COFFEE BAR\n";
drawLine();
cout<<"Items Available\t\tRate\n";
drawLine();
cout<<"0. Exit\n";
cout<<"1. Coffee\t\t50.00\n";
cout<<"2. Tea\t\t\t30.00\n";
cout<<"3. Soda\t\t\t20.00\n";
cout<<"4. Juice\t\t100.00\n";
cout<<"5. Sam's Special\t200.00\n";
cout<<"Enter your choice: ";
}

int main()
{
int ch, i=0, qty;
char choice='n';
start:
do
{
system("cls");
menu();
cin>>ch;
switch(ch)
{
case 0:  break;
case 1:
cout<<"No. of Coffees: ";
cin>>I[i].qty;
I[i].id=i+1;
strcpy(I[i].item,"Coffee");
I[i].rate=50;
I[i].amt=I[i].qty*I[i].rate;
amount+=I[i].amt;
i++;
size++;
break;

case 2:
cout<<"No. of Teas: ";
cin>>I[i].qty;
I[i].id=i+1;
strcpy(I[i].item,"Tea");
I[i].rate=30;
I[i].amt=I[i].qty*I[i].rate;
amount+=I[i].amt;
i++;
size++;
break;

case 3:
cout<<"No. of Sodas: ";
cin>>I[i].qty;
I[i].id=i+1;
strcpy(I[i].item,"Soda");
I[i].rate=20;
I[i].amt=I[i].qty*I[i].rate;
amount+=I[i].amt;
i++;
size++;
break;

case 4:
cout<<"No. of Juices: ";
cin>>I[i].qty;
I[i].id=i+1;
strcpy(I[i].item,"Juice");
I[i].rate=100;
I[i].amt=I[i].qty*I[i].rate;
amount+=I[i].amt;
i++;
size++;
break;

case 5:
cout<<"No. of Sam's Specials: ";
cin>>I[i].qty;
I[i].id=i+1;
strcpy(I[i].item,"Sam's Special");
I[i].rate=200;
I[i].amt=I[i].qty*I[i].rate;
amount+=I[i].amt;
i++;
size++;
break;

default: break;
}
cout<<"\nDo You Want to Add More (Y/N)? ";
cin>>choice;

if(choice=='Y'||choice=='y')
goto start;
else if(choice!='Y'||choice!='y')
ch=0;

}while(ch!=0);

if((choice!='y'||choice!='Y') && amount>0)
showBill();
else
cout<<"\nNo Order Placed Yet...\n";
system("pause");
}

Download the cpp file from here