Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:25: error: no matching function for call to ‘std::basic_istream<char>::basic_istream(const char [11])’ istream in("adunare.in"); ^ user.cpp:9:25: note: candidates are: In file included from /usr/include/c++/4.8/iostream:40:0, from user.cpp:2: /usr/include/c++/4.8/istream:606:7: note: std::basic_istream<_CharT, _Traits>::basic_istream() [with _CharT = char; _Traits = std::char_traits<char>] basic_istream() ^ /usr/include/c++/4.8/istream:606:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/istream:93:7: note: std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] basic_istream(__streambuf_type* __sb) ^ /usr/include/c++/4.8/istream:93:7: note: no known conversion for argument 1 from ‘const char [11]’ to ‘std::basic_istream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}’ user.cpp:10:27: error: no matching function for call to ‘std::basic_ostream<char>::basic_ostream(const char [12])’ ostream out("adunare.out"); ^ user.cpp:10:27: note: candidates are: In file included from /usr/include/c++/4.8/iostream:39:0, from user.cpp:2: /usr/include/c++/4.8/ostream:384:7: note: std::basic_ostream<_CharT, _Traits>::basic_ostream() [with _CharT = char; _Traits = std::char_traits<char>] basic_ostream() ^ /usr/include/c++/4.8/ostream:384:7: note: candidate expects 0 arguments, 1 provided /usr/include/c++/4.8/ostream:84:7: note: std::basic_ostream<_CharT, _Traits>::basic_ostream(std::basic_ostream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_ostream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>] basic_ostream(__streambuf_type* __sb) ^ /usr/include/c++/4.8/ostream:84:7: note: no known conversion for argument 1 from ‘const char [12]’ to ‘std::basic_ostream<char>::__streambuf_type* {aka std::basic_streambuf<char>*}’ user.cpp:16:5: error: ‘std::istream’ has no member named ‘close’ in.close(); ^ user.cpp:17:6: error: ‘std::ostream’ has no member named ‘close’ out.close(); ^