Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:5: error: ‘ifstream’ was not declared in this scope ifstream cin("adunare.in"); ^ user.cpp:8:5: 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:4: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:8:14: error: expected ‘;’ before ‘cin’ ifstream cin("adunare.in"); ^ user.cpp:9:5: error: ‘ofstream’ was not declared in this scope ofstream cout("adunare.out"); ^ user.cpp:9:5: 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:4: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:9:14: error: expected ‘;’ before ‘cout’ ofstream cout("adunare.out"); ^ user.cpp:13:5: error: ‘cin’ was not declared in this scope cin >> a >> b; ^ user.cpp:14:5: error: ‘cout’ was not declared in this scope cout << a + b; ^