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  1. #include <iostream>
  2. #include <array>
  3. using namespace std;
  4.  
  5. template <class T, size_t n>
  6. std::array<T,n>& operator+= (std::array< T, n>& l, const std::array<T, n> &r) {
  7. 	for (size_t i=0; i<n; i++)
  8. 	    l[i] += r[i];
  9. 	return l; 
  10. }
  11.  
  12. int main() {
  13. 	std::array<int, 3> x = {1,2,3}; 
  14. 	std::array<int, 3> y = {4,5,6};
  15. 	x += y;	
  16. 	for (auto i : x) cout<<i<<" ";
  17. 	cout<<endl; 
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 15232KB
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Standard input is empty
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5 7 9
https://ideone.com/XRXGuP
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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