Solution:-
#include<stdio.h>
#include<conio.h>
#include<process.h>
# define maxsize 5
int stack[maxsize];
int tos=-1;
void push( );
void pop( );
void display( );
void main( )
{
int choice;
clrscr() ;
do
{
printf("\n 1.PUSH");
printf("\n 2.POP");
printf("\n 3.DISPLAY");
printf("\n 4.EXIT");
printf("\n Enter your choice: \t");
scanf("%d",&choice);
switch(choice)
{
case 1:push();
break;
case 2:pop();
break;
case 3:display();
break;
case 4:exit(0);
break;
}
}
while(choice!=4);
}
void push()
{
int item;
if(tos==maxsize-1)
printf("\n STACK OVERFLOW");
else
{
printf("\n Enter
item: \t");
scanf("%d",&item);
tos=tos+1;
stack[tos]=item;
printf("\n %d is
pushed successfully",item);
}
}
void pop()
{
int item;
if(tos==-1)
printf("\n STACK UNDERFLOW");
else
{
item=stack[tos];
tos=tos-1;
printf("\n %d is
poped successfully",item);
}
}
void display()
{
int i;
if(tos==-1)
printf("\n NO ITEM");
else
{
for(i=tos;i>=0;i--)
printf("\n %d",stack[i]);
}
}
