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:4: error: ‘ifstream’ does not name a type user.cpp:5: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:10: error: ‘in’ was not declared in this scope user.cpp:12: error: name lookup of ‘i’ changed for ISO ‘for’ scoping user.cpp:12: note: (if you use ‘-fpermissive’ G++ will accept your code) user.cpp:21: error: ‘out’ was not declared in this scope