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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class test
  5. {
  6.     int x;
  7.   	public:
  8.   	test():x(10) {}
  9.     friend std::ostream& operator<< (std::ostream& o, test t)
  10.     {
  11.         o << t.x ;
  12.         return o;
  13.     }
  14. };
  15.  
  16. int main() {
  17. 	// your code goes here
  18. 	test T;
  19. 	std::cout << T;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3460KB
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Standard input is empty
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10
https://ideone.com/ni9CDK
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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