#include
using namespace std;
int main(){
int n;
double data[400],sum=0.00,average=0.00,error=0.00;
cin>>n;
for(int i = 0;i<n;i++){
cin>>data[i];
sum += data[i];
}
for(int i = 0;i < n;i++){
for(int j = 0;j < n;j++){
if(data[j]<data[j+1]){
double temp = data[j];
data[j] = data[j+1];
data[j+1] = temp;
}
}
}
sum -=(data[0]+data[n-1]);
average = sum / (n-2);
printf("%.2lf\n",average);
error = (data[n-2]-average)>(average-data[1])*-1?data[n-2]-average:(average-data[1])*-1;
printf("%.2lf\n",error);
return 0;
}
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