import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes")
no = lambda :print("no");No = lambda :print("No")
#######################################################################
for _ in range(ni()):
    d, a = na()
    x = na()
    for i in range(d):
        x[i] = (x[i]*2 + a)//2//a
    print(*x)