A C++ program for Implementing Stack using Arrays

A C++ program for Stack using Arrays is here:

/* Program of stack using array*/
#include
#define MAX 5

int top = -1;
int stack_arr[MAX];

main()
{
int choice;
while(1)
{
printf("1.Push\n");
printf("2.Pop\n");
printf("3.Display\n");
printf("4.Quit\n");
printf("Enter your choice : ");
scanf("%d",&choice);
switch(choice)
{
case 1 :
push();
break;
case 2:
pop();
break;
case 3:
display();
break;
case 4:
exit(1);
default:
printf("Wrong choice\n");
}/*End of switch*/
}/*End of while*/
}/*End of main()*/

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()
{
if(top == -1)
printf("Stack Underflow\n");
else
{
printf("Popped element is : %d\n",stack_arr[top]);
top=top-1;
}
}/*End of pop()*/

display()
{
int i;
if(top == -1)
printf("Stack is empty\n");
else
{
printf("Stack elements :\n");
for(i = top; i >=0; i--)
printf("%d\n", stack_arr[i] );
}
}/*End of display()*/ 

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