namespace ConsoleApplication2 { class Program { static void Main(string[] args) { List<int> list = new List<int>(); Random ran = new Random(); while(true) { if (list.Count >= 100) { break; } int s = ran.Next(1, 101); if (!list.Contains(s)) { list.Add(s); } } list.Sort(); foreach (int i in list) { Console.Write(i + " "); } Console.ReadKey(); } } }