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  1. #include <array>
  2. #include <iostream>
  3.  
  4. template <std::size_t ROW, std::size_t COL>
  5. using Matrix = std::array<std::array<float, COL>, ROW>;
  6.  
  7. template <std::size_t ROW, std::size_t COL>
  8. Matrix<ROW, COL> div(const Matrix<ROW, COL>& A, const Matrix<ROW, COL>& B)
  9. {
  10.     Matrix<ROW, COL> res;
  11.     for (std::size_t x = 0; x != ROW; ++x) {
  12.        for (std::size_t y = 0; y != COL; ++y) {
  13.            res[x][y] = (A[x][y]/B[x][y]);
  14.        }
  15.     }
  16.     return res;
  17. } 
  18.  
  19. template <std::size_t ROW, std::size_t COL>
  20. void display(const Matrix<ROW, COL>& m)
  21. {
  22.     for (std::size_t x = 0; x != ROW; ++x) {
  23.        for (std::size_t y = 0; y != COL; ++y) {
  24.            std::cout << m[x][y] << " ";
  25.        }
  26.        std::cout << std::endl;
  27.     }
  28. }
  29.  
  30. int main()
  31. {
  32.     Matrix<20, 5> N;
  33.     for (std::size_t x = 0; x != 20; ++x) {
  34.         for (std::size_t y = 0; y != 5; ++y) {
  35.             N[x][y] = 1;
  36.         }
  37.     }
  38.     N = div(N, N);
  39.     std::cout << "Displaying  N  ..." << std::endl;
  40.     display(N);
  41. }
Success #stdin #stdout 0s 3456KB
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stdin
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Standard input is empty
stdout
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Displaying  N  ...
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1 
1 1 1 1 1
https://ideone.com/mrs3L6
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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