- #include <iostream> 
- using namespace std; 
-   
- class Person 
- { 
- }; 
-   
- template <typename T> 
- class Vector{ 
- friend ostream& operator<<(ostream& os, const Vector<T> &rop); 
- }; 
-   
- template<> 
- class Vector<Person> 
- { 
- 	friend ostream& operator<<(ostream& os, const Vector<Person> &rop); 
- }; 
-   
- int main() { 
- 	// your code goes here 
- 	return 0; 
- } 
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