#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v; ll w; };

ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
	priority_queue<d_i> pq;
	int N; cin >> N;
	while (N--) {
		int L; cin >> L;
		pq.push(d_i(L, 1));
	}
	vector<double> ans(500001);
	for (int k = 1; k <= 500000; k++) {
		d_i p = pq.top(); pq.pop();
		double x = p.first, y = p.second;
		ans[k] = x;
		pq.push(d_i(x * y / (y + 1), y + 1));
	}
	int Q; cin >> Q;
	while (Q--) {
		int K; cin >> K;
		printf("%.15f\n", ans[K]);
	}
}