Eroare de compilare: user.cpp:3:16: error: mem.h: No such file or directory user.cpp: In function ‘int ciuruire(int, int)’: user.cpp:16: error: ‘memset’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:49: warning: format ‘%I64d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.cpp:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result