# include<iostream> using namespace std; int main() { int n, sum=0, _max=0, _min=101; float ave=0; cin>>n; int scs[n]; for(int i=0; i<n; i++) { cin>>scs[i]; sum += scs[i]; if(_max<scs[i])_max=scs[i]; if(_min>scs[i])_min=scs[i]; } ave = sum*1.0/n; printf("%d %.2f %d %d", sum, ave, _max, _min); return 0; }