Eroare de compilare: user.cpp:83:2: warning: no newline at end of file user.cpp: In function 'std::vector<std::pair<double, double>, std::allocator<std::pair<double, double> > > convexHull(std::vector<std::pair<double, double>, std::allocator<std::pair<double, double> > >&)': user.cpp:32: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void readPoints(std::vector<std::pair<double, double>, std::allocator<std::pair<double, double> > >&, std::string)': user.cpp:52: error: no matching function for call to 'std::basic_fstream<char, std::char_traits<char> >::basic_fstream(std::string&, const std::_Ios_Openmode&)' /usr/include/c++/4.2/fstream:724: note: candidates are: std::basic_fstream<_CharT, _Traits>::basic_fstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.2/fstream:710: note: std::basic_fstream<_CharT, _Traits>::basic_fstream() [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.2/iosfwd:95: note: std::basic_fstream<char, std::char_traits<char> >::basic_fstream(const std::basic_fstream<char, std::char_traits<char> >&) user.cpp: In function 'void printPoints(std::vector<std::pair<double, double>, std::allocator<std::pair<double, double> > >&, std::string)': user.cpp:68: error: no matching function for call to 'std::basic_fstream<char, std::char_traits<char> >::basic_fstream(std::string&, const std::_Ios_Openmode&)' /usr/include/c++/4.2/fstream:724: note: candidates are: std::basic_fstream<_CharT, _Traits>::basic_fstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.2/fstream:710: note: std::basic_fstream<_CharT, _Traits>::basic_fstream() [with _CharT = char, _Traits = std::char_traits<char>] /usr/include/c++/4.2/iosfwd:95: note: std::basic_fstream<char, std::char_traits<char> >::basic_fstream(const std::basic_fstream<char, std::char_traits<char> >&) user.cpp:72: warning: comparison between signed and unsigned integer expressions