#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)
#define all(a) (a).begin(),(a).end()

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    
    int T;
    cin >> T;
    
    rep(testcase, 0, T) {
        int D;
        ll A;
        cin >> D >> A;
        
        rep(i, 0, D) {
            ll X;
            cin >> X;
            cout << (2*X + A) / (2*A) << (i == D - 1 ? '\n' : ' ');
        }
    }
}