#include <iostream>
using namespace std;
int main(void) {
int n;
cout<<"Δωσε n:";
cin >> n;
int *a;
a=new int[n];
for (int i=0; i<n; i++){
a[i]=i;
}
cout << &a << endl;
cout << a << endl;
cout << *a << endl;
a-=1;
delete []a;
return 0;
}