#include <iostream> #include <cmath> #include <iomanip> #include <algorithm> using namespace std; int main() { int n; double a[305]; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } sort(a, a + n); double sum = 0; for (int i = 1; i <= n-2; i++) { sum += a[i]; } double avg = sum / (n - 2); double err = 0; for (int i = 1; i <= n-2; i++) { double d = fabs(a[i] - avg); if (d > err) err = d; } cout << fixed << setprecision(2); cout << avg << " " << err << endl; return 0; }