Imp Push Pop Terv

[bca072024]

Write a c program to implement of push,pop and traverse operation on stack
#include<stdio.h>
#include<conio.h>
#define stack_size 5
void push(void); void pop(void); void display(void); int Top = -1; int STACK[stack_size];
void main()
{
int choice;
while(1)
{
printf("\n\n\t\t\t\t\t M A I N - M E N U");
printf("\n\n\t\t\t\t\t 1.PUSH ");
printf("\n\n\t\t\t\t\t 2.POP ");
printf("\n\n\t\t\t\t\t 3.DISPLAY");
printf("\n\n\t\t\t\t\t 4.EXIT");
printf("\n\n\t\t\t\t\t Enter Your Choice [1-4]"); scanf("%d",&choice);
switch (choice)
{
case 1:
push();
break;
case 2:
pop();
break;
case 3:
display();
break;
case 4:
exit(0);
default:
printf("\n\n \t\t\t\t\t Invalid coice");
break;
}
}
}
void push()
{
int num;
if(Top == stack_size-1)
{
printf("\n\n \t\t\t\t\t Stack full");
}
else
{
printf("\n\n \t\t\t\t\t Enter value to push");
scanf("%d",&num);
STACK[++Top]=num;
}
}
void pop()
{
int num;
if(Top == -1)
{
printf("\n\n \t\t\t\t\t stack Under flow");
}
else
{
num=STACK[Top--];
printf("\n\n \t\t\t\t\t Deleted item=%d",num);
scanf("%d",&num);
}
}
void display()
{
int i;
system("cls");
printf("\n Elements in stack are:");
for(i=Top;i>=0;i--)
printf("%d ",STACK[i]);
getch();
}