Borderou de evaluare (job #361523)

Compilare: user.cpp: In function ‘int main()’: user.cpp:22:9: warning: unused variable ‘n’ [-Wunused-variable] user.cpp:24:12: warning: unused variable ‘bc’ [-Wunused-variable] user.cpp:25:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]