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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		int count = 0;
  8. 		string num;
  9. 		for (int i = 2; i < 1000000; i++)
  10. 		{
  11. 			num = i.ToString();
  12. 			if (num.Contains("2")) { count++; }
  13. 		}
  14. 		Console.WriteLine(count);
  15. 	}
  16. }
Success #stdin #stdout 0.31s 34080KB
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468559
https://ideone.com/fb5173
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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