[jayzee]

Alltid kul med starta dagen med en tankeställare

    class Program
    {
        static void Main(string[] args)
        {
            Random randomGenerator = new Random();
            List<int> numbersList = new List<int>();
            int generatedValue = 0;
            int maxValue = 300;
            bool passed = false;

            // main loop
            while (numbersList.Count != 20)
            {
                while (!passed)
                {
                    generatedValue = randomGenerator.Next(0, maxValue);
                    passed = !numbersList.Any(x => (x > (generatedValue - 10)) && (x < (generatedValue + 10)));
                }

                passed = false; // reset passed flag
                numbersList.Add(generatedValue);
            }

            // sort list in ascending order
            numbersList.Sort();

            // print-out
            foreach (int value in numbersList)
            {
                Console.WriteLine(value.ToString());
            }

            Console.ReadKey();
        }
    }