import heapq


def solve():
    N = int(input())
    L = list(map(int, input().split()))
    Q = int(input())
    K = list(map(int, input().split()))

    h = []

    for i in range(N):
        heapq.heappush(h, (-L[i], 1, i))

    MAX = 500001

    A = [0.0] * MAX
    for j in range(1, MAX):
        l, n, i = heapq.heappop(h)
        A[j] = L[i] / n
        heapq.heappush(h, (-L[i] / (n + 1), n + 1, i))

    for k in K:
        print(A[k])


def main():
    solve()


if __name__ == '__main__':
    main()