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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4.  
  5. public static class Utils
  6. {
  7. 	public static T Add<T>(T a, T b)
  8. 	{
  9. 		if (typeof(T) == typeof(double))
  10. 			return (T)(object)((double)(object)a + (double)(object)b);
  11.  
  12. 		if (typeof(T) == typeof(float))
  13. 			return (T)(object)((float)(object)a + (float)(object)b);
  14.  
  15. 		if (typeof(T) == typeof(int))
  16. 			return (T)(object)((int)(object)a + (int)(object)b);
  17.  
  18. 		throw new Exception("fuck you");
  19. 	}
  20. }
  21.  
  22. public class Vector<T>
  23. {
  24. 	public Vector(int size)
  25. 	{
  26. 		Size = size;
  27. 	}
  28.  
  29. 	public int Size { get; set; }
  30.  
  31. 	public T[] Data { get; set; }
  32.  
  33. 	public Matrix<T> Add<U>(U matrix) where U : Matrix<T>
  34. 	{
  35. 		if (matrix.Len2 != Size)
  36. 			throw new Exception("error");
  37.  
  38. 		var data = new List<List<T>>();
  39.  
  40. 		for (int i = 0; i < matrix.Len1; i++)
  41. 		{
  42. 			var row = new List<T>();
  43. 			for (int j = 0; j < matrix.Len2; j++)
  44. 			{
  45. 				var val1 = matrix.Data[i][j];
  46. 				var val2 = Data[j];
  47. 				row.Add(Utils.Add(val1, val2));
  48. 			}
  49. 			data.Add(row);
  50. 		}
  51.  
  52. 		return new Matrix<T>(matrix.Len1, matrix.Len2)
  53. 		{
  54. 			Data = data.Select(x => x.ToArray()).ToArray()
  55. 		};
  56. 	}
  57. }
  58.  
  59. public class Matrix<T>
  60. {
  61. 	public Matrix(int len1, int len2)
  62. 	{
  63. 		Len1 = len1;
  64. 		Len2 = len2;
  65. 	}
  66.  
  67. 	public int Len1 { get; set; }
  68.  
  69. 	public int Len2 { get; set; }
  70.  
  71. 	public T[][] Data { get; set; }
  72. }
  73.  
  74. public class Test
  75. {
  76. 	public static void Main()
  77. 	{
  78. 		var vector = new Vector<double>(3) { Data = new double[] { 1, 3, 4} };
  79. 		var matrix = new Matrix<double>(2, 3) { Data = new[] { new double[] { 1, 3, 2 }, new double[] { 34, 2, 4 } } };
  80.  
  81. 		var res = vector.Add(matrix);
  82.  
  83. 		Console.WriteLine(res.Data[0][1]);
  84. 	}
  85. }
Success #stdin #stdout 0.02s 15868KB
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https://ideone.com/qBoLGp
language:
C# (gmcs 5.20.1)
created:
6 years ago
visibility:
public

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