• + 2 comments
    for(arr_i=0;arr_i<3;arr_i++)
        {
            sum[x]=0;
            int count=0;
            for(arr_j=arr_i;count<3;arr_j++)
            {
                if(count==0)
                {
                      sum[x]+=arr[arr_i+1][arr_j+1];
                }
                sum[x]+=arr[arr_i][arr_j];
                sum[x]+=arr[arr_i+2][arr_j];
                
                ++count;
            }
              
            ++x;
    

    I didnt understand this part. Can somebody help me out in this?