Eroare de compilare: user.cpp:3:22: error: iostream.h: No such file or directory user.cpp:9: error: ‘ifstream’ does not name a type user.cpp:10: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:28: error: ‘in’ was not declared in this scope user.cpp:31: error: ‘f’ was not declared in this scope user.cpp:34: error: ‘out’ was not declared in this scope user.cpp:55: error: ‘out’ was not declared in this scope user.cpp:57: error: ‘f’ was not declared in this scope user.cpp:58: error: ‘g’ was not declared in this scope