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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
stdin
Standard input is empty
compilation info
prog.cpp:7: error: invalid constructor; you probably meant ‘Q (const Q&)’
stdout
Standard output is empty