Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:12:8: warning: multi-character character constant user.cpp: In function ‘int main()’: user.cpp:5: error: ‘ifstream’ was not declared in this scope user.cpp:5: error: expected ‘;’ before ‘f’ user.cpp:6: error: ‘ofstream’ was not declared in this scope user.cpp:6: error: expected ‘;’ before ‘g’ user.cpp:7: error: ‘f’ was not declared in this scope user.cpp:12: warning: overflow in implicit constant conversion user.cpp:12: warning: suggest parentheses around assignment used as truth value user.cpp:16: error: ‘g’ was not declared in this scope