int main(void)
{
   int size;
   
   scanf("%d",&size);
   (size < 0)?(size = -size):(size = size);
   
   int a[size];
   int val = 0;
   
   for(int i = 0;i < size;i++){
       scanf("%d",&val);
       a[i] = val;
   }
   int sum = 0;
   int ans = 0;
   for(int i = 0;i < size;i++){
       sum += a[i];
       if(sum < 0)
           sum = 0;
       if(sum >= ans)
           ans = sum;
   }
   printf("%d",ans);

   return 0;
} ```