#include <iostream>
using namespace std;
void print_array(int *a,int n) {
for (int i=0;i<n;i++) {
cout << a[i] << endl;
}
for (int *p=a;p<a+n;p++) {
cout << *p << endl;
}
}
int main(void) {
int n;
cout << "δωσε ν:";
cin >> n;
int *b=new int[n]
int *t=b;
for (int i=0;i<n;i++) b[i]=i
print_array(b,n);
delete []t;
return 0;
}