1 namespace s
 2 {
 3     class Program
 4     {
 5         static void Main()
 6         {
 7             string[] str={"000","001","002","003"};
 8             string[] str1={"000","001"};
 9 
10             //var result= from s in str where (from s1 in str1 select s1).Contains(s) select s;
11             
12             //var result =str.Except(str1).AsQueryable().OrderBy(s=>str);
13             
14             var result=str.Except(str1).OrderByDescending(s=>s).Take(1);
15 
16             foreach(var temp in result)
17             {
18                 Console.WriteLine(temp);
19             }
20             Console.WriteLine("End");
21         }
22     }