rt

#include<bits/stdc++.h>
#define max(a,b) a>b?a:b
#define min(a,b) a<b?a:b
using namespace std;
int n,mmap[1000001];
int max_f,min_f;
long double m;
int main()
{
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin>>n;
	for(int i=1;i<=n;i++)cin>>mmap[i];
	m=mmap[1]+mmap[2];
	max_f=max(mmap[1],mmap[2]);
	min_f=min(mmap[1],mmap[2]);
	for(int i=3;i<=n;i++)
	{
		max_f=max(max_f,mmap[i]);
		min_f=min(min_f,mmap[i]);
		m+=mmap[i];
		cout<<fixed<<setprecision(2)<<(m-max_f-min_f)/(i-2)<<endl;
	}
	exit(0);
	return 0;
}

40分 求调