Eroare de compilare: user.cpp: In member function ‘int test::func(std::vector<std::basic_string<char> >, std::vector<std::basic_string<char> >)’: user.cpp:34:28: error: no matching function for call to ‘std::basic_string<char>::copy(std::string&, int, int)’ st.copy(bum,1,1); ^ user.cpp:34:28: note: candidate is: In file included from /usr/local/include/c++/4.8.0/string:52:0, from /usr/local/include/c++/4.8.0/bits/locale_classes.h:40, from /usr/local/include/c++/4.8.0/bits/ios_base.h:41, from /usr/local/include/c++/4.8.0/ios:42, from /usr/local/include/c++/4.8.0/ostream:38, from /usr/local/include/c++/4.8.0/iostream:39, from user.cpp:1: /usr/local/include/c++/4.8.0/bits/basic_string.h:1780:7: note: std::basic_string<_CharT, _Traits, _Alloc>::size_type std::basic_string<_CharT, _Traits, _Alloc>::copy(_CharT*, std::basic_string<_CharT, _Traits, _Alloc>::size_type, std::basic_string<_CharT, _Traits, _Alloc>::size_type) const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::basic_string<_CharT, _Traits, _Alloc>::size_type = unsigned int] copy(_CharT* __s, size_type __n, size_type __pos = 0) const; ^ /usr/local/include/c++/4.8.0/bits/basic_string.h:1780:7: note: no known conversion for argument 1 from ‘std::string {aka std::basic_string<char>}’ to ‘char*’ user.cpp:38:5: warning: no return statement in function returning non-void [-Wreturn-type] } ^