#include <bits/stdc++.h>
using namespace std;

using pii = pair<int, int>;

pii mxmn(int *a, int l, int r) {
  if (r-l+1 <= 1) return pii(a[l], a[r]);
  int m = (l+r) / 2;
  pii subL = mxmn(a, l, m);
  pii subR = mxmn(a, m+1, r);
  return pii(min(subL.first, subR.first), max(subL.second, subR.second));
}

int main() {
  int n = 4;
  int *a = new int[n+1] {0, 2, 55, -1, 10};

  auto rlt = mxmn(a, 1, n);
  printf("%d %d\n", rlt.first, rlt.second);

  return 0;
}