Borderou de evaluare (job #50327)

Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: variable ‘dr’ set but not used [-Wunused-but-set-variable] user.cpp:11:20: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]