#include<stdio.h> #include<math.h> #include<stdlib.h> int main(){ int n,j,num=0,sum=1001; double ans=0.0; scanf("%d",&n); for(int i=1;i<=n;i++){ scanf("%d",&j); ans+=j; if(num<=j) num=j; if(sum>j) sum=j; } printf("%d\n%d\n%.2f",num,sum,ans/n); }