#include<iostream>
#include<conio.h>
using namespace std;

string box[5]={"N","N","N","N","N"};
int space=0;

void pop(){

	if(space !=0){
         box[space]; space--;
	}else{ cout << "\n\n\tStack UnderFlow! You cannot remove any more books because it is already empty! Press any key to continue"; getch();}

}

void push(){
    space++;

    if(space != 6){
      	cout << "\n\n\tWhat is the name of the book?  "; cin.ignore(); getline(cin,box[space-1]);
	}else{
	    space--;
		cout << "\n\n\tStack OverFlow! You cannot add any more inside the box! Press any key to continue"; getch();
	}
}

void print(){

	if(box[0] == "N"){
			cout << "\n\n\tThe Box is empty at the momment";
	}else{
		for(int x = 0; x < space; x++){
	   if(box[x] != "N"){ cout <<"\n\t" <<box[x]; }
		}
	}
}

int main(){
	int c;
	cout << "\n\tArray Linked list version";

	do{
	system("cls");
	cout<< "\n\n\tYou got a box that has a space for 5 books: \n";
	print();
	cout << "\n\n\tHere are your options \n\t[1] = add book \n\t[2]= remove book \n\t[Any number]= leave\n\n\t"; cin>>c;
	if(c == 1){ push(); }else
	if(c == 2 ){ pop(); }else{
	cout<<"\n\n\tGoodbye";	break;
	}
	}while(!0);
	getch();
}