import java.io.*;
import java.util.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        PriorityQueue<Integer> queue = new PriorityQueue<>();
        for (int i = 0; i < n; i++) {
            queue.add(-sc.nextInt());
        }
        double[] ans = new double[500001];
        TreeSet<Poll> polls = new TreeSet<>();
        ans[1] = -queue.poll();
        polls.add(new Poll(polls.size(), ans[1], 2));
        for (int i = 2; i <= 500000; i++) {
            if (queue.size() == 0 || polls.last().value() > -queue.peek()) {
                Poll p = polls.pollLast();
                ans[i] = p.value();
                p.add();
                polls.add(p);
            } else {
                ans[i] = -queue.poll();
                polls.add(new Poll(polls.size(), ans[i], 2));
            }
        }
        int q = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        while (q-- > 0) {
            sb.append(new java.math.BigDecimal(ans[sc.nextInt()]).toPlainString()).append("\n");
        }
        System.out.print(sb);
    }
    
    
    static class Poll implements Comparable<Poll> {
        int idx;
        double current;
        int size;
        
        public Poll(int idx, double current, int size) {
            this.idx = idx;
            this.current = current;
            this.size = size;
        }
        
        public double value() {
            return current / size;
        }
        
        public void add() {
            size++;
        }
        
        public int compareTo(Poll another) {
            if (value() == another.value()) {
                return idx - another.idx;
            } else if (value() < another.value()) {
                return -1;
            } else {
                return 1;
            }
        }
        
        public int hashCode() {
            return idx;
        }
        
        public boolean equals(Object o) {
            return hashCode() == o.hashCode();
        }
    }
} 
class Utilities {
    static String arrayToLineString(Object[] arr) {
        return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
    }
    
    static String arrayToLineString(int[] arr) {
        return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public int[] nextIntArray() throws Exception {
        return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}