#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;
      cout<< a<< endl;
      cout <<*a<< endl;
      a-=1;
      
      delete[]a;
      return 0;
      }