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  1.     using System;
  2.     using System.Security.Cryptography;
  3.  
  4.     public static class Test
  5.     {
  6.         private static readonly RNGCryptoServiceProvider Generator = new RNGCryptoServiceProvider();
  7.  
  8.         public static byte GetByte()
  9.         {
  10.             var buffer = new byte[1];
  11.             Generator.GetBytes(buffer);
  12.             return buffer[0];
  13.         }
  14.  
  15.         public static int GetInt32(int minimum, int maximum)
  16.         {
  17.  
  18.             return (int) (minimum + (Sample() * (maximum - minimum)));
  19.         }
  20.  
  21.         public static decimal Sample()
  22.         {
  23.             var buffer = new byte[8];
  24.             Generator.GetBytes(buffer);
  25.             return (BitConverter.ToUInt64(buffer, 0) & 0x7FFFFFFFFFFFFFFF) / (decimal) long.MaxValue;
  26.         }
  27.  
  28. 	public static void Main()
  29. 	{
  30. 		Console.WriteLine("Hello World");
  31. 		int[] counters = new int[4];
  32. 		for (int i = 0; i < 10000; i++)
  33. 		{
  34. 			counters[GetInt32(0, 3)]++;
  35. 		}
  36. 		for (int i = 0; i < 4; i++)
  37. 		{
  38. 		    Console.WriteLine("Value " + i + " counted " + counters[i]);
  39. 		}
  40. 	}        
  41.  
  42.     }
Success #stdin #stdout 0.08s 33776KB
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stdin
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Standard input is empty
stdout
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Hello World
Value 0 counted 3314
Value 1 counted 3374
Value 2 counted 3312
Value 3 counted 0
https://ideone.com/NKXu9N
language:
C# (gmcs 5.20.1)
created:
9 years ago
visibility:
public

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