1B

import math
from decimal import Decimal, getcontext

getcontext().prec = 6

n = int(input())
a = input().split()
b = []
for i in range(n):
    k = float(a[i]) * 100
    k = int(k)
    b.append(k)
#print(b)
pf = [0] * n
pf[0] = b[0]
for i in range(1, n):
    pf[i] = pf[i - 1] * b[i]
q = int(input())
#print(b)
#print(pf)
for i in range(q):
    s = input().split()
    l = int(s[0])
    l -= 1
    r = int(s[1])
    div = 1
    if l > -1:
        div = pf[l]
    print(div, pf[r])
    res = pf[r] * 1.0 / div
    print(res)
    res = math.pow(res, 1.0 / (r - l)) / 100
    print(Decimal(res))
    print()