Eroare de compilare: user.cpp:5:21: error: fstream.h: No such file or directory user.cpp:8: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:71: error: ‘g’ was not declared in this scope user.cpp:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:46: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result