呈

#include <bits/stdc++.h>
using namespace std;

int main()
{
int n,i;
cin>>n;
double arr[n];
double aver,max,min,nums=0;
int x=0,y=0;

for(i=0;i<n;i++)
{
    cin>>arr[i];
    if(i==0)
        max=min=arr[i];
    if(max<arr[i])
    {
        max=arr[i];
        x=i;
    }
    else if(min>arr[i])
    {
        min=arr[i];
        y=i;
    }
    nums+=arr[i];
}
aver=(nums-min-max)/(n-2);

double maxs,index[n];
arr[x]=arr[y]=aver;
for(i=0;i<n;i++)
{
    index[i]=abs(aver-arr[i]);
    if(i==0)
        maxs=index[i];
    if(maxs<index[i])
        maxs=index[i];
}

printf("%.2lf %.2lf",aver,maxs);
return 0;

}