04:57 - 
Data Structures using C
Data Structures using C
Write a program in C using integers to perform all stack operations.
Program
that performs all stack operation using array of integers.
/*Program
of stack using array*/
#include<stdio.h>
#define
MAX 5
int
top=1;
int
stack_arr[MAX];
{
int
choice;
while(1)
{
printf(“1.Push\n”);
printf(“2.Pop\n”);
printf(“3.Display\n”);
printf(“4.Quit\n”);
printf(“Enter your choice : \n”);
scanf(“%d”, &choice)
switch(choice)
{
case
1:
push();
break;
case
2:
pop();
break;
case
3:
display();
break;
case
4:
exit(1);
default:
printf(“Wrong Coice\n”)
}/*End
of Switch*/
}/*End
of While*/
}*/End
of main()*/
/*push
function*/
push()
{
int pushed_item;
if(top==(MAX-1))
{
printf(“Stack Overflow\n”);
}
else
{
printf(“Enter
the item to be pushed in stack :”);
scanf(“%d”,
& pushed_item);
top=top+1;
stack_arr[top]=pushed_item;
}
}/*End
of push()*/
/*pop
function*/
pop()
{
if(top==-1)
{
printf(“Stack Underflow\n”);
}
else
{
printf(“Popped
Element is : %d\n”,stack_arr[top]);
top=top-1;
}
}/*End
of pop()*/
/*display
function*/
display()
{
int
I;
if(top==-1)
{
printf(“Stack is Empty\n”);
}
else
{
printf(“Stack
Element : \n”);
for
(i=top;i>=0;i--)
{
printf(“%d\n”,stack_arr[i]);
}
}
}/*End
of display()*/