Borderou de evaluare (job #548945)

Compilare: user.cpp: In function ‘int main()’: user.cpp:30:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:6:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]