#include <stdio.h>
#include <stdlib.h>
void push1(int);
void push2(int);
int pop1();
int pop2();
void enqueue();
void dequeue();
void display();
void create();
int st1[100], st2[100];
int top1 = -1, top2 = -1;
int count = 0;
void main()
{
int ch;
printf("\Piyush \n 315/CSE/2019");
printf("\n1 - Enqueue element into queue");
printf("\n2 - Dequeu element from queue");
printf("\n3 - Display from queue");
printf("\n4 - Exit");
create();
while (1)
{
printf("\nEnter choice");
scanf("%d", &ch);
switch (ch)
{
case 1:
enqueue();
break;
case 2:
dequeue();
break;
case 3:
display();
break;
case 4:
exit(0);
default:
printf("Wrong choice");
}
}
}
/*Function to create a queue*/
void create()
{
top1 = top2 = -1;
}
/*Function to push the element on to the stack*/
void push1(int data)
{
st1[++top1] = data;
}
/*Function to pop the element from the stack*/
int pop1()
{
return(st1[top1--]);
}
/*Function to push an element on to stack*/
void push2(int data)
{
st2[++top2] = data;
}
/*Function to pop an element from th stack*/
int pop2()
{
return(st2[top2--]);
}
/*Function to add an element into the queue using stack*/
void enqueue()
{
int data, i;
printf("Enter data into queue");
scanf("%d", &data);
push1(data);
count++;
}
/*Function to delete an element from the queue using stack*/
void dequeue()
{
int i;
for (i = 0;i <= count;i++)
{
push2(pop1());
}
pop2();
count--;
for (i = 0;i <= count;i++)
{
push1(pop2());
}
}
/*Function to display the elements in the stack*/
void display()
{
int i;
for (i = 0;i <= top1;i++)
{
printf(" %d ", st1[i]);
}
}
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