Eroare de compilare: user.cpp:1:21: error: iostream.h: No such file or directory user.cpp:2:20: error: fstream.h: No such file or directory user.cpp: In function ‘int lacuri(int)’: user.cpp:46: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int main()’: user.cpp:58: error: variable ‘std::ifstream f’ has initializer but incomplete type user.cpp:59: error: variable ‘std::ofstream g’ has initializer but incomplete type