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  1. #include <iostream>
  2. using std::cout;
  3.  
  4. struct Q
  5. {
  6. 	Q(){cout<<"a";}
  7. 	Q(Q){cout<<"b";}
  8. };
  9.  
  10. int main()
  11. {
  12. 	Q q;
  13. 	Q u (q);
  14. 	cout<<"c";
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:7: error: invalid constructor; you probably meant ‘Q (const Q&)’
stdout
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Standard output is empty
https://ideone.com/VG4P6
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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