template <typename a> struct g { using c = a; };
template <typename a, template <typename> class> using e = g<a>;
template <typename a, template <typename> class d>
using f = typename e<a, d>::c;
struct l {
  template <typename h> using j = typename h::k;
};
struct m : l {
  using k = f<int *, j>;
};
struct q : m {
  typedef int &n;
};
int *o;
q::k p;
struct r {
  struct t {
    q::k aj;
  };
  long s;
  r() {
    o = static_cast<int *>(operator new(sizeof(int)));
    p = s ? o : q::k();
    al.aj = p;
  }
  t al;
};
class G : r {
public:
  G(int) {}
  q::n operator[](long u) { return *(al.aj + u); }
};
int a;
void fn1() {
  G b(0), c(0);
  for (int i; i; i++) {
    int d = 0;
    for (int e = -1; e <= 1; e++) {
      a = i + e;
      if (a)
        d = b[a];
    }
    c[i] = d;
  }
}