Borderou de evaluare (job #206805)

Compilare: user.cpp: In function ‘int main()’: user.cpp:31:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:13:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:14:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]