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  1. using System;
  2. using System.Globalization;
  3. using System.Linq;
  4. using System.Collections.Generic;
  5.  
  6. public class Test
  7. {
  8.     public static T[] UniqueRandomArray<T>(T[] input, Random rnd)
  9.     {
  10.         if (input.Length <= 1) throw new ArgumentException("Input array must have at least two elements, otherwise the output would be the same.", "input");
  11.         IEnumerable<T> rndSeq;
  12.         while (input.SequenceEqual(rndSeq = input.OrderBy(x => rnd.Next())));
  13.         return rndSeq.ToArray();
  14.     }
  15.  
  16. 	public static void Main()
  17. 	{
  18.         Random rnd = new Random();
  19.         List<int[]> randomArrays = new List<int[]>();
  20.         int[] arrayInt1 = { 1, 2, 3, 4, 5, 6, 7 };
  21.         randomArrays.Add(arrayInt1);
  22.  
  23.         for (int i = 0; i < 10; i++)
  24.         {
  25.             int[] lastArray = randomArrays[randomArrays.Count - 1];
  26.             int[] randomArray = UniqueRandomArray(lastArray, rnd);
  27.             randomArrays.Add(randomArray);
  28.         }
  29.         foreach(int[] array in randomArrays)
  30.         Console.WriteLine(String.Join(",",array.Select(i=>i.ToString()).ToArray()));
  31. 	}
  32. }
Success #stdin #stdout 0.05s 34096KB
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stdin
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Standard input is empty
stdout
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1,2,3,4,5,6,7
2,7,3,6,1,5,4
6,4,2,3,5,7,1
5,1,4,7,2,3,6
7,4,2,1,6,3,5
2,3,4,7,6,1,5
6,1,4,7,2,5,3
4,2,3,5,1,6,7
2,7,5,3,1,6,4
4,6,1,2,3,5,7
2,3,1,5,7,6,4
https://ideone.com/xf0z5S
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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