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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class C{
  6.     private:
  7.     public:
  8.         C(){cout << "C0 " ;};
  9.         C(const C&) { cout << "CC ";};
  10.         C& operator= (const C&) { cout << "O= "; return *this;};
  11.     };
  12.  
  13. C fun(C a) { return a;}
  14.  
  15. int main(){
  16.     C c;
  17.     cout << endl;
  18.     fun(c);
  19.     cout << endl;
  20.     C y = fun(c);
  21.     cout << endl;
  22.     C z; z = fun(c);
  23.     cout << endl;
  24.     fun(fun(c));
  25. }
  26.  
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
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Standard input is empty
stdout
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C0 
CC CC 
CC CC 
C0 CC CC O= 
CC CC CC
https://ideone.com/Vde3jz
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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