Not passisng all test cases

#1

#include
#include
using namespace std;
int main() {
int m;
cin>>m;
while(m–){
int n;
cin>>n;
int a[1000];
for(int i=0;i<n;i++){
cin>>a[i];
}
int cs,ms = 0;
for(int i=0;i<n;i++){
cs += a[i];
if(cs<0){
cs = 0;
}

      ms = max(cs,ms);
    }
  int c2=0;
 for(int i=0;i<n;i++){
     c2+=a[i];
    }
 int mini =INT_MAX;
 int cmin = INT_MAX;
 for(int i=0;i<n;i++){
      if(mini>0){
         mini = a[i];
         }
     else{
          mini += a[i];
        }
     cmin = min(mini,cmin);
    }
  int sum = c2 - cmin;
 cout<<max(sum,ms);


}

return 0;
}

#2

Change line 14 to
int cs=0,ms = 0;

#3

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