public static int jumpingOnClouds(List<int> c)
    {
        var count = 0;
        var i = 0;
        var n = c.Count;

        while (i < n - 1)
        {
            if (i + 2 < n && c[i + 2] == 0)
            {
                i += 2;
            }
            else
            {
                i += 1;
            }
            count++;
        }

        return count;
    }