fork download
  1. using System;
  2.  
  3. public class Program
  4. {
  5. public static void Main()
  6. {
  7. int a=2300;
  8. int? b=null;
  9.  
  10. var result=(a)-(b);
  11. if(result == null){
  12. Console.WriteLine("NULL");
  13. }
  14. Console.WriteLine("Result is {0}",result);
  15. }
  16. }
  17.  
Success #stdin #stdout 0.03s 28060KB
stdin
Standard input is empty
stdout
NULL
Result is