Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:16:16: error: variable ‘std::ifstream in’ has initializer but incomplete type ifstream in("lgput.in"); ^ user.cpp:17:17: error: variable ‘std::ofstream out’ has initializer but incomplete type ofstream out("lgput.out"); ^ user.cpp: In function ‘long long unsigned int lgput(unsigned int, unsigned int)’: user.cpp:12:1: warning: control reaches end of non-void function [-Wreturn-type] } ^