Borderou de evaluare (job #314052)

Compilare: user.cpp: In function ‘int main()’: user.cpp:16:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:19:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:25:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:33:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:10:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]