Diagonal Difference

  • + 3 comments

    Why complexity of nested loop? This is how I solved it:

    long sum1 = 0; long sum2 = 0;

            for (int i = 0; i < n ; i++)
            {
                sum1 += a[i][i];
                sum2 += a[i][n - 1 - i];
            }
            Console.WriteLine(Math.Abs(sum1 - sum2));