Eroare de compilare: user.cpp:8: error: ‘ifstream’ does not name a type user.cpp:9: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:12: error: ‘fin’ was not declared in this scope user.cpp:19: error: ‘sort’ was not declared in this scope user.cpp:25: error: ‘fout’ was not declared in this scope user.cpp:25: error: name lookup of ‘i’ changed for ISO ‘for’ scoping user.cpp:25: note: (if you use ‘-fpermissive’ G++ will accept your code)