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  1. #include <iostream>
  2. #include <vector>
  3.  
  4.  
  5. template <typename T>
  6. std::ostream& operator<< (std::ostream& out, const std::vector<T>& v) {
  7. 	if (!v.empty()) {
  8. 		auto it = v.begin();;
  9. 		for (; it != v.end() - 1; ++it)
  10. 		{
  11. 			out << *it << ", ";
  12. 		}
  13. 		out << *it << std::endl;
  14. 	}
  15. 	return out;
  16. }
  17.  
  18. int main()
  19. {
  20. 	std::vector<int> v{ 1, 2, 3, 4 };
  21.  
  22. 	std::cout << v;
  23.  
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3456KB
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stdin
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Standard input is empty
stdout
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1, 2, 3, 4
https://ideone.com/dthMiw
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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