Borderou de evaluare (job #186122)

Compilare: user.cpp: In function ‘int main()’: user.cpp:16:52: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.cpp:10:24: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] user.cpp:8:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]