Eroare de compilare: user.cpp:2:20: error: fstream.h: No such file or directory user.cpp: In function ‘int main()’: user.cpp:23: error: variable ‘std::ifstream f’ has initializer but incomplete type user.cpp:24: error: ‘stdout’ was not declared in this scope user.cpp:24: error: ‘freopen’ was not declared in this scope user.cpp:38: error: ‘printf’ was not declared in this scope