Borderou de evaluare (job #8717)

Compilare: user.cpp: In function ‘int main()’: user.cpp:15:9: warning: unused variable ‘aux’ [-Wunused-variable] user.cpp:15:23: warning: unused variable ‘unu’ [-Wunused-variable] user.cpp:15:27: warning: unused variable ‘doi’ [-Wunused-variable] user.cpp:13:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]