#include <iostream> #include <iomanip> #include <cmath> using namespace std; int main() { int n, i, x=0, y=0; double a[300], maxd, mind, sum=0.0, avg, deviation=0.0; cin >> n; for (i=0; i<n; i++){ cin >> a[i]; if (i == 0) maxd=mind=a[i]; if (a[i] > maxd){ x = i; maxd = a[i]; } if (a[i] < mind){ y = i; mind = a[i]; } sum += a[i]; } sum -= maxd; sum -= mind; avg = sum / (n-2); for (i=0; i<n; i++){ if (i==x || i==y) continue; double d = fabs(a[i]-avg); if (d > deviation) deviation = d; } cout << fixed << setprecision(2) << avg << " "; cout << fixed << setprecision(2) << deviation << endl; return 0; }