Eroare de compilare: user.cpp:7:11: error: redefinition of ‘std::ifstream f’ ifstream f("harddp.out"); ^ user.cpp:6:10: error: ‘std::ifstream f’ previously declared here ifstream f("harddp.in"); ^ user.cpp: In function ‘int main()’: user.cpp:31:17: error: ‘g’ was not declared in this scope g << "1"; ^ user.cpp:32:13: error: ‘g’ was not declared in this scope g << '\n'; ^ user.cpp:36:17: error: ‘g’ was not declared in this scope g << "0"; ^ user.cpp:37:13: error: ‘g’ was not declared in this scope g << '\n'; ^