long countTriplets(vector<long> arr, long r) {

map<long,long> rm;
map<long,long> lm;

long m = arr.size();
long i = 0;
long sum=0;

for(i=0;i<=m;i++)
{
    rm[arr[i]]++;
}

for(i=0;i<=m;i++)
{
    rm[arr[i]]--;
    sum += (lm[arr[i]/r]) * (rm[arr[i]*r]);
    lm[arr[i]]++;
}

return sum;
}