import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		for (int z = 0; z < t; z++) {
			int d = sc.nextInt();
			BigDecimal a = sc.nextBigDecimal();
			BigDecimal[] x = new BigDecimal[d];
			for (int i = 0; i < d; i++) {
				x[i] = sc.nextBigDecimal();
			}

			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < d; i++) {
				sb.append(x[i].divide(a, RoundingMode.HALF_UP).toPlainString()).append(' ');
			}
			sb.deleteCharAt(sb.length() - 1);
			System.out.println(sb.toString());
		}
		sc.close();
	}
}