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  1. using System;
  2.  
  3. public class Test
  4. {
  5.  
  6.  
  7.  
  8.     public static void MultiplyMatrix()
  9.     {
  10.     	int[,] a = new int[5, 5];
  11.     	int[,] b = new int[5, 5];
  12.     	int[,] c = new int[5, 5];
  13.  
  14.     	Random ran = new Random();
  15.  
  16. // Инициализируем данный массив
  17. for (int i = 0; i < 4; i++)
  18. {
  19.     for (int j = 0; j < 5; j++)
  20.     {
  21.        a[i, j] = ran.Next(1, 15);
  22.        b[i, j] = ran.Next(1, 15);
  23.        c[i, j] = ran.Next(1, 15);
  24.     }
  25.     Console.WriteLine();
  26. }
  27.  
  28.         if (a.GetLength(1) == b.GetLength(0))
  29.         {
  30.             c = new int[a.GetLength(0), b.GetLength(1)];
  31.             for (int i = 0; i < c.GetLength(0); i++)
  32.             {
  33.                 for (int j = 0; j < c.GetLength(1); j++)
  34.                 {
  35.                     c[i, j] = 0;
  36.                     for (int k = 0; k < a.GetLength(1); k++) // OR k<b.GetLength(0)
  37.                         c[i, j] = c[i, j] + a[i, k] * b[k, j];
  38.                 }
  39.             }
  40.         }
  41.         else
  42.         {
  43.         	Console.WriteLine(c[1, 1]);
  44.             Console.WriteLine("\n Number of columns in First Matrix should be equal to Number of rows in Second Matrix.");
  45.             Console.WriteLine("\n Please re-enter correct dimensions.");
  46.             Environment.Exit(-1);
  47.         }
  48.     }
  49.  
  50. 	public static void Main()
  51. 	{
  52.  
  53. 		MultiplyMatrix ();
  54. 	}
  55. }
Success #stdin #stdout 0.04s 23888KB
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https://ideone.com/Hko2Nx
language:
C# (gmcs 5.20.1)
created:
8 years ago
visibility:
public

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