# include<iostream> # include<cstdio> using namespace std; int main() { int n,m,big = 0,small = 100,sum = 0; cin>>n; for(int i = 0; i < n; i++) { cin>>m; sum += m; if(m<small) { small = m; } if(m>big) { big = m; } } printf("%d %.2f %d %d", sum, sum/(n*1.0), big, small); return 0; }