#include<bits/stdc++.h>
#include<iterator>
#include<vector>
#include<iterator>
using namespace std;

int main(){
    int test,camp,night,x;
    int avg;
    vector<int> a;
    vector<int> sum;
    vector<int>::iterator it;
    int res[300];
    cin>>test;

   for(int i=0;i<test;i++){
        sum[0]=0;
    cin>>camp;

    cin>>night;
    for(int j=1;j<=camp;j++){
        cin>>x;
        a.push_back(x);
        sum[j]=sum[j-1]+x;
    }
    avg=sum[camp]/camp;
    x=avg;
    for(int z=0;z<camp;z++){
        //need help
      it=lower_bound(sum.begin(),sum.end(),x);
    cout<<"iterator"<<&it<<endl;
    }

   }
}