Eroare de compilare: user.cpp:3:1: error: ‘fstream’ does not name a type fstream f("adunare.in", ios::in); ^ user.cpp:4:1: error: ‘fstream’ does not name a type fstream g("adunare.out", ios::out); ^ user.cpp: In function ‘int main()’: user.cpp:9:2: error: ‘f’ was not declared in this scope f>>a>>b; ^ user.cpp:10:2: error: ‘cout’ was not declared in this scope cout<<a+b; ^ user.cpp:10:2: note: suggested alternative: In file included from user.cpp:1:0: /usr/include/c++/4.8/iostream:61:18: note: ‘std::cout’ extern ostream cout; /// Linked to standard output ^ user.cpp:11:2: error: ‘g’ was not declared in this scope g<<a+b; ^