Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23: error: ‘ok’ was not declared in this scope user.cpp:27: error: ‘ok’ was not declared in this scope user.cpp:31: error: ‘cnt’ was not declared in this scope user.cpp:38: error: ‘cnt’ was not declared in this scope user.cpp:40: error: ‘ok’ was not declared in this scope user.cpp:40: error: ‘cnt’ was not declared in this scope user.cpp:17: warning: unused variable ‘N’ user.cpp:15: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result