Borderou de evaluare (job #11981)

Compilare: user.cpp: In function 'int main()': user.cpp:17:15: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] user.cpp:3:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:4:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:6:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]