from decimal import *
import sys


def main():
    # sys.setrecursionlimit(100000)
    input = lambda: sys.stdin.readline()[:-1]
    rnd = lambda x: (round(x, 5) * 2 + 1) // 2

    T = int(input())
    for _ in [0] * T:
        D, A = map(int, input().split())
        X = list(map(int, input().split()))

        a = Decimal(A)
        ans = []
        for xi in X:
            x = Decimal(xi)
            ans.append(rnd(x / a))
        print(*ans)


if not __debug__:
    f = open(sys.argv[1], "r")
    sys.stdin = f

# try:
#     sys.set_int_max_str_digits(100000)
# except AttributeError:
#     pass

main()