#include<bits/stdc++.h>
using namespace std;
int long long n,maxn=INT_MIN,minn=INT_MAX,a[1000001];
double ans;
int main(){
	scanf("%lld",&n);
	for(int i=1;i<=n;i++){
		scanf("%lld",&a[i]);
	}
	for(int i=3;i<=n;i++){
		for(int j=1;j<=i;j++){
			maxn=max(a[j],maxn);
			minn=min(a[j],minn);
			ans+=a[j];
		}
		ans=ans-maxn-minn;
		printf("%.2f\n",ans/(i-2));
		maxn=INT_MIN,minn=INT_MAX,ans=0;
	}
}