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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7.  
  8. uint v = 0x4dead; // 18-th bit is the highest one set
  9. uint r;
  10. uint shift;
  11.  
  12. r =     (uint)((v > 0xFFFF) ? 1 : 0) << 4; v >>= (int)r;
  13. shift = (uint)((v > 0xFF  ) ? 1 : 0) << 3; v >>= (int)shift; r |= shift;
  14. shift = (uint)((v > 0xF   ) ? 1 : 0) << 2; v >>= (int)shift; r |= shift;
  15. shift = (uint)((v > 0x3   ) ? 1 : 0) << 1; v >>= (int)shift; r |= shift;
  16.                                         r |= (v >> 1);
  17.  
  18. Console.WriteLine(r);
  19.  
  20.  
  21. 	}
  22. }
Success #stdin #stdout 0.03s 33904KB
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Standard input is empty
stdout
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18
https://ideone.com/aWaSLY
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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