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  1. using System;
  2.  
  3. public class Test
  4. {
  5.   public static void Main()
  6.   {
  7.     int x = 6, y = 9;
  8.  
  9.     do
  10.     {
  11.       Console.WriteLine("{0}{1}", x, y);
  12.       if (--y == -1) y = 15 - (x += 10 - x % 10) / 10;
  13.       else if (++x % 10 == 0) { x += y; y = 9; }
  14.     } while (x < 100);
  15.   }
  16. }
Success #stdin #stdout 0.03s 14948KB
comments (?)
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https://ideone.com/NSvUkh
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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