#include <bits/stdc++.h>
using namespace std;
int main() {
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
int a[n];
for(int i=0;i<n;i++)
{
cin>>a[i];
}
int ans=0;
for(int i=0;i<n-1;i++)
{
for(int j=i+1;j<n;j++)
{
if((a[i]==1&&a[j]==1)||(a[i]==0)) ans++;
}
}
cout<<ans<<"\n";
}
return 0;
}
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