#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int t;
  cin >> t;
  while (t--) {
    ll d, a;
    cin >> d >> a;
    rep(i, d) {
      ll x;
      cin >> x;
      cout << (2 * x + a) / (2 * a) << endl;
    }
  }
  return 0;
}