/**
*   auther:  deviceF
*   created: 19.04.2024 07:15:04
**/
#include<bits/stdc++.h>

using namespace std;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int t;
  cin >> t;
  while (t--) {
    long long n, d;
    cin >> n >> d;
    vector<long long> a(n);
    for (int i = 0; i < n; i++) {
      cin >> a[i];
    }
    for (int i = 0; i < n; i++) {
      a[i] = ((a[i] * 2) + (long long)d) / (2 * (long long)d);
    }
    for (auto i : a) {
      cout << i << " ";
    }
    cout << '\n';
  }
  return 0;
}