stackArray

#include <iostream>
using namespace std;

int index =-1;
int number[100];
int size=1;
void push(int x){

    if(index+1==size){
        cout<<"overFlow\n";
        }
    else{
    index++;
    number[index] = x;
}
    }

int top(){


return number[index];
    }

void pop(){

    if(index<0)
        cout<<"underflow";
    else
    index-=1;

    }



void display(){

    for(int i=0;i<=index;i++)
        cout<<number[i]<<" ";
        cout<<endl;

    }

int main(int argc, char **argv)
{
    push(10);
    pop();
    push(10);
    display();




    return 0;
}