#include <iostream>
USING namespace std;
INT A[1000001];
INT B[1000001];
INT j, i, k, k2;
long long licznik;
void MERGE(INT p,INT q,INT r)
{
FOR(INT i = p; i <= r; i++)
{
B[i] = A[i];
}
INT i = p;
INT j = q;
INT k = p;
INT l = p;
while(i <= q - 1 && j <= r)
{
while(B[l] + k2 >= B[j] && l <= q - 1)
{
l++;
}
IF(B[i] <= B[j])
{
A[k] = B[j];
k++;
j++;
licznik += (q - l);
}
ELSE
{
A[k] = B[i];
k++;
i++;
}
}
while(i <= q - 1){
A[k] = B[i];
k++;
i++;
}
while(j <= r){
A[k] = B[j];
k++;
j++;
}
}
void mergesort(INT k,INT l)
{
IF(k==l)
{
RETURN;
}
INT s;
s=(k+l)/2;
mergesort(k,s);
mergesort(s+1,l);
MERGE(k,s+1,l+1);
RETURN;
}
INT main()
{
INT zes,iloscrz,x,y;
cin>>zes;
FOR(INT k=zes; k>=1; k--)
{
licznik=0;
cin>>iloscrz>>k2;
x=0;
y=iloscrz-1;
FOR(INT i=0; i<iloscrz; i++)
{
cin>>A[i];
}
mergesort(x,y);
FOR(INT m=0; m<iloscrz; m++)
{
cout<<A[m]<<" ";
}
cout<<endl;
cout<<licznik<<endl;
}
RETURN 0;
}
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