#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <string>
#include <vector>
#define rep(x,to) for(int (x)=0;(x)<(to);(x)++)

using namespace std;
typedef long long ll;

int main()
{
	int n, q;
	cin >> n;
	vector<int> l(n);
	rep(i,n) cin >> l[i];
	cin >> q;
	vector<int> k(q);
	rep(i,q) cin >> k[i];
	
	rep(j,q){
		double hi=1e9+1, lw=0;
		rep(xx,120){
	  	double md= (hi + lw) /2.0;
			ll w=0;
			rep(zz,n){
				w += l[zz] / md;
			}
			if(w >=k[j]) lw=md; else hi=md;
		}
		printf("%.12f\n",lw);
	}
	
	return 0;
}