Borderou de evaluare (job #50915)

Compilare: user.cpp: In function ‘int main()’: user.cpp:77:5: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:77:10: warning: unused variable ‘num’ [-Wunused-variable] user.cpp:77:18: warning: unused variable ‘val’ [-Wunused-variable] user.cpp:77:22: warning: unused variable ‘ncif’ [-Wunused-variable] user.cpp:75:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:76:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:78:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:80:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]