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  1. using System;
  2. using System.Collection.Generic;
  3. using System.Ling;
  4. using System.Text;
  5. namespace HelloWorld
  6. {
  7. class HelloWorld
  8. {
  9. static void Main(string[] args)
  10. {
  11. Console.Out.WriteLine("Hello World");
  12. Console.In.Readline();
  13. }
  14. }
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cs(2,14): error CS0234: The type or namespace name `Collection' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(3,14): error CS0234: The type or namespace name `Ling' does not exist in the namespace `System'. Are you missing an assembly reference?
Compilation failed: 2 error(s), 0 warnings
stdout
Standard output is empty