Borderou de evaluare (job #223092)

Compilare: user.cpp: In function ‘int main()’: user.cpp:59:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:68:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:35:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:36:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:39:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]