Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp:3: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:10: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘long int*’ user.cpp:12: warning: format ‘%d’ expects type ‘int*’, but argument 3 has type ‘long int*’ user.cpp:31: error: ‘g’ was not declared in this scope user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result