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  1. #include <iostream>
  2.  
  3. template < std::size_t NUM_ELEMENTS > void mergeSort( int (&A)[NUM_ELEMENTS] )
  4. {
  5.     //* here I want to find number of elements in the array A
  6.     std::cout << "number of elements in the array A is: " << NUM_ELEMENTS << '\n' ;
  7.  
  8.     // ...
  9.  
  10. }
  11.  
  12. int main()
  13. {
  14.     int A[]={10,5,3,37,13,9,24,7,39,19};
  15.     mergeSort(A);
  16. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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number of elements in the array A is: 10
https://ideone.com/kzM5l3
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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