Eroare de compilare: user.cpp:4:11: error: variable ‘std::ifstream f’ has initializer but incomplete type ifstream f("tabela.in"); ^ user.cpp:5:11: error: variable ‘std::ofstream g’ has initializer but incomplete type ofstream g("tabela.out"); ^ user.cpp: In function ‘int main()’: user.cpp:8:8: error: ‘a’ was not declared in this scope f>>a>>b; ^ user.cpp:8:11: error: ‘b’ was not declared in this scope f>>a>>b; ^