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  1. using System;
  2. using System.Collections.Generic;
  3.  
  4. public class Test
  5. {
  6. 	public static void Main()
  7. 	{
  8. 		int numberOfRuns = 50000;
  9. 		Console.WriteLine("Using one RNG:");
  10. 		Random rng = new Random();
  11. 		int[] frequencies = new int[10];
  12. 		for(int i = 0; i < numberOfRuns; i++)
  13. 		{
  14. 			frequencies[rng.Next(0,10)]++;
  15. 		}
  16. 		for(int i = 0; i < 10; i++)
  17. 		{
  18. 			Console.WriteLine("{0}: {1}%", i, frequencies[i] * 100.0 / numberOfRuns);
  19. 		}
  20.  
  21. 		Console.WriteLine("Using multiple RNGs:");
  22. 		frequencies = new int[10];
  23. 		int seed = 1;
  24. 		for(int i = 0; i < numberOfRuns; i++)
  25. 		{
  26. 			frequencies[new Random(seed++).Next(0,10)]++;
  27. 		}
  28. 		for(int i = 0; i < 10; i++)
  29. 		{
  30. 			Console.WriteLine("{0}: {1}%", i, frequencies[i] * 100.0 / numberOfRuns);
  31. 		}
  32. 	}
  33. }
Success #stdin #stdout 0.44s 23928KB
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stdin
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Standard input is empty
stdout
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Using one RNG:
0: 9.944%
1: 9.834%
2: 9.928%
3: 9.96%
4: 10.132%
5: 10.012%
6: 10.244%
7: 10.122%
8: 9.736%
9: 10.088%
Using multiple RNGs:
0: 9.996%
1: 10%
2: 10.004%
3: 10%
4: 10.004%
5: 9.996%
6: 9.998%
7: 10%
8: 10%
9: 10.002%
https://ideone.com/b71zIU
language:
C# (gmcs 5.20.1)
created:
7 years ago
visibility:
secret

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