public static void part1()
        {
            string text  = Problem01.text();
            int    count = text.Count(c => (c == '(')) - text.Count(c => (c == ')'));

            Console.WriteLine(count);
        }
        public static void part2()
        {
            string text       = Problem01.text();
            var    floor      = 0;
            var    move_count = 1;

            foreach (var c in text)
            {
                if (c == '(')
                {
                    floor += 1;
                }
                else if (c == ')')
                {
                    floor -= 1;
                }
                if (floor < 0)
                {
                    Console.WriteLine(move_count);
                    break;
                }
                move_count += 1;
            }
        }