#include<stdio.h>
#include<conio.h>
#define MAX 10
int i=0;
void push(int *a,int v)
{
if(i==MAX-1)
{
printf("\nOverflow\n");
}
else
{
i++;
a[i]=v;
}
}
int pop(int a[])
{
int v;
if(i==0)
printf("\nUnderflow\n");
else
{
v=a[i];
i--;
}
return v;
}
int popq(int a[],int b[])
{
int j;
for(j=0;j<i;j++)
{
push(b,pop(a));
}
return pop(b);
for(j=0;j<i;j++)
{
push(a,pop(b));
}
}
void display(int a[])
{
int j;
for(j=0;j<i;j++)
{
printf("%d\n",a[j]);
}
}
int main()
{
int a[MAX],b[MAX];
printf("\n2s Queue\n");
int choice,v;
do
{
printf("1.Enqueue\n2.Dequeue\n3.Display\n4.Exit\nEnter choice:");
scanf("%d",&choice);
switch(choice)
{
case 1:printf("\nenter value:");
scanf("%d",&v);
push(a,v);
break;
case 2:v=popq(a,b);
printf("\n%d dequeued",v);
break;
case 3:display(a);
break;
case 4:break;
default:printf("\nEnter correct option..!");
}
}while(choice!=4);
getch();
}
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