#include<bits/stdc++.h>
using namespace std;
int main(){
int i,n;
int a[1000],t;
cin>>t;
while(t–)
{ int cs=0,ms=0;
cin>>n;
for(i=0;i<n;i++)
{
cin>>a[i];
}
for(i=0;i<n;i++)
{
cs=cs+a[i];
if(cs<0)
{
cs=0;
}
ms = max(cs,ms);
}
cout<<ms<<endl;
}
return 0;
}
i get run error while my output is correct.