Eroare de compilare: user.cpp:1:21: 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 ‘void read()’: user.cpp:27: error: ‘in’ was not declared in this scope user.cpp: In function ‘void Update(int, int, int)’: user.cpp:42: error: ‘lefti’ was not declared in this scope user.cpp: In function ‘void write()’: user.cpp:81: error: ‘out’ was not declared in this scope