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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. template <std::size_t sizeA, std::size_t sizeB>
  6. void clearArray(float (&a)[sizeA][sizeB])
  7. {
  8.     float* begin = &a[0][0];
  9.     fill_n(begin, sizeA * sizeB, 0);
  10. }
  11.  
  12. int main()
  13. {
  14.     float f[5][6];
  15.     clearArray(f);
  16.  
  17.     for (int i = 0; i < 5; ++i)
  18.         for (int j = 0; j < 6; ++j)
  19.             cout << f[i][j] << " ";
  20. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin 
Standard input is empty
stdout 
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
https://ideone.com/0nQP4R
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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