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  1. #include <iostream>
  2.  
  3. void Multiply(float N[4][4], float M[4][4], float Result[4][4])
  4. {
  5.     for (int I = 0; I < 4; ++I)
  6.     {
  7.         for (int J = 0; J < 4; ++J)
  8.         {
  9.             double SumElements = 0.0;
  10.             for (int K = 0; K < 4; ++K)
  11.             {
  12.                 SumElements += M[I][K] * N[K][J];
  13.             }
  14.             Result[I][J] = SumElements;
  15.         }
  16.     }
  17. }
  18.  
  19. void Print(float mat[4][4])
  20. {
  21. 	for (int i = 0; i < 4; ++i)
  22. 	{
  23. 		for (int j = 0; j < 4; ++j)
  24. 		{
  25. 			std::cout<<mat[i][j]<<" ";
  26. 		}
  27. 		std::cout<<"\n";
  28. 	}
  29. }
  30.  
  31. int main()
  32. {
  33. 	float N[4][4] = 
  34. 	{
  35. 		{1, 2, 3, 4},
  36. 		{5, 6, 7, 8},
  37. 		{9, 10, 11, 12},
  38. 		{13, 14, 15, 16}
  39. 	};
  40.  
  41. 	float M[4][4] = 
  42. 	{
  43. 		{1, 2, 3, 4},
  44. 		{5, 6, 7, 8},
  45. 		{9, 10, 11, 12},
  46. 		{13, 14, 15, 16}
  47. 	};
  48.  
  49. 	float Result[4][4];
  50.  
  51. 	Multiply(N, M, Result);
  52. 	Print(Result);
  53. }
  54.  
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
90 100 110 120 
202 228 254 280 
314 356 398 440 
426 484 542 600
https://ideone.com/EsQkAR
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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