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  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4.  
  5. public class Test
  6. {
  7. 	 static List<List<T>> toMatrix<T>(List<T> list, int elementsPerSubArray) 
  8.         {
  9.             var matrix = new List<List<T>>();
  10.             int i=0, k = -1;
  11.             for ( ; i < list.Count; i++) 
  12.             {
  13.                 if (i % elementsPerSubArray == 0) 
  14.                 {
  15.                     k++;
  16.                     matrix.Add(new List<T>());
  17.                 }
  18.                 matrix[k].Add(list[i]);
  19.             }
  20.             return matrix;
  21.         }
  22.  
  23. 	public static void Main()
  24. 	{
  25. 		List<int> input = new List<int> { 1, 2, 3, 4, 5, };
  26.         var result = toMatrix(input, 2);
  27.             foreach (List<int> outer in result)
  28.                 Console.WriteLine(string.Join(
  29.                 	", ", 
  30.                 	outer.Select(item => item.ToString()).ToArray()
  31.             	));
  32.  
  33. 	}
  34. }
Success #stdin #stdout 0.04s 33976KB
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https://ideone.com/sbyynV
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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