import java.io.*;
import java.util.*;
class solve
{
{
Scanner sc
=new Scanner
(System.
in); int tc=sc.nextInt();
while(tc-->0)
{
long sum=0;
int n=sc.nextInt();
int[] a=new int[n];
for(int i=0;i<n;i++)
sum+=(a[i]=sc.nextInt());
int cnt=n-1;
int csum=0;
int fcnt=0;
while(csum<=sum && cnt>=0)
{
csum+=a[cnt];
sum-=a[cnt--];
fcnt++;
}
}
}
}
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