Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:6: error: ‘fstream’ was not declared in this scope fstream fin("adunare.in", ios::in); ^ user.cpp:8:6: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, 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/iosfwd:163:33: note: ‘std::fstream’ typedef basic_fstream<char> fstream; ^ user.cpp:8:14: error: expected ‘;’ before ‘fin’ fstream fin("adunare.in", ios::in); ^ user.cpp:9:6: error: ‘fin’ was not declared in this scope fin >> a; ^ user.cpp:13:14: error: expected ‘;’ before ‘fout’ fstream fout("adunare.out", ios::out); ^ user.cpp:14:6: error: ‘fout’ was not declared in this scope fout << (a + b); ^