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pizza.cpp
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pizza.cpp
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#include<iostream>
#include<string.h>
#include<stdlib.h>
using namespace std;
#define MAX 30
class String
{
char name[MAX];
char pizzas[MAX+MAX];
int noOfPizza;
int bill;
int orderNo;
friend class Queue;
public:
String()
{
strcpy(name,"");
strcpy(pizzas,"");
noOfPizza=bill=0;
}
void takeOrder()
{
cout<<"Your Good Name(end with a '+'):";
cin.getline(name,MAX,'+');
cout<<"No of Pizzas you wish to have: ";
cin>>noOfPizza;
bill=noOfPizza*100;
cout<<"\nOrders(end with a '+'):";
cin.getline(pizzas,MAX+MAX,'+');
cout<<"\nYour Bill is Rs."<<bill<<endl;
cout<<"Employee Use:\nOrderNo:";
cin>>orderNo;
cout<<"Please remember this order ID:"<<orderNo<<endl;
}
void order()
{
cout<<"\nName:"<<name<<endl;
cout<<"Order No.:"<<orderNo<<endl;
cout<<"Bill(in Rs.):"<<bill<<endl;
}
};
class Queue
{
String arr[MAX];
int size;
int front,rear;
public:
Queue(int n)
{
front=rear=-1;
size=n;
}
int isFull(){return ((front)&&(rear==size-1)&&(front==(rear+1)%size));}
int isEmpty(){return front==rear;}
void insertAtRear(String temp)
{
if(!isFull())
{
arr[++rear]=temp;
//cout<<arr[rear];
}
else
cout<<"\nTask can't be inserted (QUEUE is FULL) "<<endl;
}
String deleteAtFront()
{
if(!isEmpty())
return arr[++front];
else
cout<<"\nDeletion isn't possible (QUEUE is EMPTY)"<<endl;
}
int frontValue()
{return front;}
String getRear();
};
String Queue::getRear()
{
if(!isEmpty())
return arr[rear];
else
cout<<"\nNo Upcoming Order Available"<<endl;
}
int main()
{
cout<<"Enter the size of required Queue:\t";
int n;
cin>>n;
Queue Q1(n);
char ch;
String x,temp;
do
{
cout<<"\n 1. Take Order\n 2.Complete Order\n 3.Display Upcoming Order\n 3.Exit\n Enter your choice:";
cin>>ch;
switch(ch)
{ case '1':
if (!Q1.isFull())
{
x.takeOrder();
Q1.insertAtRear(x);
}
else
cout<< "Can't Take More Orders";
break;
case '2':
if(!Q1.isEmpty())
{
cout<<"\n Completed Order:";
temp=Q1.deleteAtFront();
temp.order();
cout<<"\n Thanks For Visiting"<<endl;
}
else
cout<<"\n No Ongoing Order!";
break;
case '3':
if (!Q1.isEmpty())
{
cout<<"\n Upcoming Orders:";
temp=Q1.getRear();
temp.order();
}
else
cout<<"\n No Ongoing Orders Available";
break;
case '4':
cout<<"\n Exit"<<endl;
break;
}
}while(ch!='4');
return 0;
}
/*
OUTPUT:
unix@unix-dx2480-MT:~$ cd SEA19
unix@unix-dx2480-MT:~/SEA19$ g++ pizza.cpp
unix@unix-dx2480-MT:~/SEA19$ ./a.out
Enter the size of required Queue: 5
1. Take Order
2.Complete Order
3.Display Upcoming Order
3.Exit
Enter your choice:1
Your Good Name(end with a '+'):Aditya Gade+
No of Pizzas you wish to have: 3
Orders(end with a '+'):pizza1 pizza2 pizza3+
Your Bill is Rs.300
Employee Use:
OrderNo:123
Please remember this order ID:123
1. Take Order
2.Complete Order
3.Display Upcoming Order
3.Exit
Enter your choice:3
Upcoming Orders:
Name:
Aditya Gade
Order No.:123
Bill(in Rs.):300
1. Take Order
2.Complete Order
3.Display Upcoming Order
3.Exit
Enter your choice:2
Completed Order:
Name:
Aditya Gade
Order No.:123
Bill(in Rs.):300
Thanks For Visiting
1. Take Order
2.Complete Order
3.Display Upcoming Order
3.Exit
Enter your choice:4
Exit
unix@unix-dx2480-MT:~/SEA19$
*/