Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:2: error: 'ifstream' does not name a type user.cpp:3: error: 'ofstream' does not name a type user.cpp: In function 'int main()': user.cpp:7: error: 'fin' was not declared in this scope user.cpp:11: warning: suggest parentheses around assignment used as truth value user.cpp:18: error: 'fout' was not declared in this scope user.cpp:27: error: 'fout' was not declared in this scope