#include <iostream>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	unsigned short T, D, i, j;
	unsigned long long A, X;
	cin >> T;

	for (i = 0; i != T; ++i)
	{
		cin >> D >> A >> X;
		cout << (X * 10 / A + 5) / 10;
		for (j = 1; j != D; ++j)
			cin >> X, cout << ' ' << (X * 10 / A + 5) / 10;
		cout << '\n';
	}

	return 0;
}