using System;
using System.Diagnostics;
using System.Reflection;
using System.Linq;
using System.Xml;

class No2647
{
    static void Main()
    {
        for(int T = ni();T > 0;T--){
            long[] da = nal();
            int D = (int)da[0];
            long A = da[1];
            long[] x = nal();
            foreach(long v in x){
                Console.Write((2*v+A)/(2*A));
                Console.Write(" ");
            }
            Console.WriteLine();
        }
    }

    static void print(object x)
    {
        Console.WriteLine(x);
    }

    static string ns()
    {
        return Console.ReadLine();
    }

    static int ni()
    {
        return Convert.ToInt32(ns());
    }

    static long nl()
    {
        return Convert.ToInt64(ns());
    }

    static int[] na()
    {
        return ns().Split(' ').Select(int.Parse).ToArray();
    }

    static long[] nal()
    {
        return ns().Split(' ').Select(long.Parse).ToArray();
    }

    static long[][] nml(int n)
    {
        long[][] ret = new long[n][];
        for (int i = 0; i < n; i++)
        {
            long[] f = nal();
            ret[i] = new long[]{f[0], f[1], i};
        }
        return ret;
    }
}