Improvement to Greatest Product

gistfile1.txt

// original "seed" code.

        public void ComputePoints()
        {
            for (int x = 0; x < 20; x++)
            {
                for (int y = 0; y < 20; y++)
                {
                    points.Add(new Point { x = x, y = y });
                }
            }
        }

// modified "seed" code. Skip every other point.

        public void ComputePoints()
        {
            for (int x = 0; x < 20; x+=2 )
            {
                for (int y = 0; y < 20; y+=2  )
                {
                    points.Add(new Point { x = x, y = y });
                }
            }
        }