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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A {
  5. public:
  6. A() { cout << "a" << endl;}
  7. A( A const& o) { cout << "b" << endl;}
  8. };
  9.  
  10. void Fa(A a){}
  11. void Fb(A &a){}
  12.  
  13. int main() {
  14. 	// your code goes here
  15.     A a;
  16. Fa(a);
  17. Fb(a);
  18. A b(a);
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 4200KB
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stdin
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Standard input is empty
stdout
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a
b
b
https://ideone.com/qXoftb
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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