Borderou de evaluare (job #166989)

Compilare: user.cpp: In function ‘bool calc_uni(int)’: user.cpp:55:14: warning: unused variable ‘f’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:98:13: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:100:20: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] user.cpp:73:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:74:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:75:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:77:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:83:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]