#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
void arrstack()
{
clrscr();
int top=-1;
int size=5;
int arr[5];
int ch; char ans;
do{
cout<<"1.Push\n";
cout<<"2.Pop\n";
cout<<"3.Back to Main Menu\n";
cin>>ch;
if(ch==1)
{ int item;
cout<<"Enter the item to be inserted\n";
cin>>item;
if(top==size-1)
{
cout<<"overflow";
return;
}
else
arr[++top]=item;
cout<<"\n Array Status\n";
for(int i=top;i>=0;i--)
cout<<arr[i]<<"\n";
}
if(ch==2)
{
if(top==-1)
{
cout<<"underflow";
return;
}
else
{
cout<<"Element deleted is"<<arr[top];
top--;
}
cout<<"\n Array Status\n";
for(int i=top;i>=0;i--)
cout<<arr[i]<<"\n";
}
if(ch==3)
{
return;
}
cout<<"\nWanna see array stack menu\n";
cin>>ans;
}while(ans=='y'||ans=='Y');
}//end arrstack
void arrqueue()
{
clrscr();
int front=-1;
int rear=-1;
int size=5;
int arr[5];
int ch; char ans;
do{
cout<<"1.Push\n";
cout<<"2.Pop\n";
cout<<"3.Back to Main Menu\n";
cin>>ch;
if(ch==1)
{ int item;
cout<<"Enter the item to be inserted\n";
cin>>item;
if(rear==size-1)
{
cout<<"overflow";
return;
}
else if(front==-1&&rear==-1)
{
front++;
}
arr[++rear]=item;
cout<<"\n Array Status\n";
for(int i=front;i<=rear;i++)
cout<<arr[i]<<"\n";
}
if(ch==2)
{
if(front==-1&&rear==-1)
{
cout<<"underflow";
return;
}
if(front==rear)
{
cout<<"Element deleted is"<<arr[front];
front=rear=-1;
}
else
{
cout<<"Element deleted is"<<arr[front];
front++;
}
cout<<"\n Array Status\n";
for(int i=front;i<=rear;i++)
cout<<arr[i]<<"\n";
}
if(ch==3)
{
return;
}
cout<<"\nWanna see array stack menu\n";
cin>>ans;
}while(ans=='y'||ans=='Y');
}//end arrqueue
void main()
{
clrscr();
int ch;
char ans;
do
{
cout<<"\n1. Array as Stack\n";
cout<<"\n2. Array as Queue\n";
cout<<"\n3.Exit Program\n";
cout<<"\nEnter your choice\n";
cin>>ch;
if(ch==1)
{
arrstack();
}
else if(ch==2)
{
arrqueue();
}
else if(ch==3)
{
exit(0);
}
cout<<"Wanna See menu again y/n";
cin>>ans;
}while(ans=='y'||ans=='Y');
getch();
}
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