Eroare de compilare: user.cpp: In function ‘void do_test(std::ifstream&, std::ofstream&)’: user.cpp:47:23: error: invalid user-defined conversion from ‘std::ofstream {aka std::basic_ofstream<char>}’ to ‘int’ [-fpermissive] else if(!stupid_sol(g)){ ^ In file included from /usr/include/c++/4.8/ios:44:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/basic_ios.h:115:7: note: candidate is: std::basic_ios<_CharT, _Traits>::operator void*() const [with _CharT = char; _Traits = std::char_traits<char>] <near match> operator void*() const ^ /usr/include/c++/4.8/bits/basic_ios.h:115:7: note: no known conversion for implicit ‘this’ parameter from ‘void*’ to ‘int’ user.cpp:47:23: error: too few arguments to function ‘bool stupid_sol(int, std::ofstream&)’ else if(!stupid_sol(g)){ ^ user.cpp:28:6: note: declared here bool stupid_sol(const int n, ofstream& g){ ^ user.cpp:49:11: error: a function-definition is not allowed here before ‘{’ token int main(){ ^ user.cpp:57:12: error: expected ‘}’ at end of input return 0; } ^ user.cpp:57:12: error: expected ‘}’ at end of input