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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 struct Trio
  9.     {
  10.         public int Value1 { get; set; }
  11.         public int Value2 { get; set; }
  12.         public int Value3 { get; set; }
  13.     }
  14.  
  15. 	public static void Main()
  16. 	{
  17. 		List<int> A = new List<int> { 1, 2, 3, 6 };
  18. 	    List<int> B = new List<int> { 4, 5, 6, 8 };
  19. 	    List<int> C = new List<int> { 7, 8, 9, 33 };
  20.  
  21. 	     var aShuffle = new List<int>(A.Count);
  22.         aShuffle.AddRange(A.Shuffle());
  23.         var bShuffle = new List<int>(B.Count);
  24.         bShuffle.AddRange(B.Shuffle());
  25.         var cShuffle = new List<int>(C.Count);
  26.         cShuffle.AddRange(C.Shuffle());
  27.  
  28. 	    List<Trio> trios = new List<Trio>(aShuffle.Count);
  29. 	    for (int i = 0; i < aShuffle.Count; i++)
  30. 	    {
  31. 	        trios.Add(new Trio { Value1 = aShuffle[i], Value2 = bShuffle[i], Value3 = cShuffle[i] });
  32. 	    }
  33. 	    foreach(Trio trio in trios)
  34. 	    Console.WriteLine("Value1: {0} Value2: {1} Value3: {2}", trio.Value1,trio.Value2,trio.Value3);
  35. 	}
  36. }
  37.  
  38. public static class Extensions
  39. {
  40.    public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> source)
  41.     {
  42.         return source.Shuffle(new Random());
  43.     }
  44.  
  45.     public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> source, Random rng)
  46.     {
  47.         if (source == null) throw new ArgumentNullException("source");
  48.         if (rng == null) throw new ArgumentNullException("rng");
  49.  
  50.         return source.ShuffleIterator(rng);
  51.     }
  52.  
  53.     private static IEnumerable<T> ShuffleIterator<T>(
  54.         this IEnumerable<T> source, Random rng)
  55.     {
  56.         List<T> buffer = source.ToList();
  57.         for (int i = 0; i < buffer.Count; i++)
  58.         {
  59.             int j = rng.Next(i, buffer.Count);
  60.             yield return buffer[j];
  61.  
  62.             buffer[j] = buffer[i];
  63.         }
  64.     }
  65. }
Success #stdin #stdout 0.04s 33928KB
comments (?)
stdin 
Standard input is empty
stdout 
Value1: 3 Value2: 5 Value3: 8
Value1: 1 Value2: 6 Value3: 9
Value1: 6 Value2: 4 Value3: 7
Value1: 2 Value2: 8 Value3: 33
https://ideone.com/blwOJx
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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