Borderou de evaluare (job #329518)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:64:24: error: ‘f’ was not declared in this scope user.cpp:112:24: error: ‘f’ was not declared in this scope user.cpp:34:56: warning: unused variable ‘nrzi’ [-Wunused-variable] user.cpp:34:63: warning: unused variable ‘nrluna’ [-Wunused-variable] user.cpp:34:72: warning: unused variable ‘nrora1’ [-Wunused-variable] user.cpp:34:81: warning: unused variable ‘nrora2’ [-Wunused-variable] user.cpp:32:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:33:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:36:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function ‘int lun(char*)’: user.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]