Borderou de evaluare (job #430142)

Compilare: user.cpp: In function ‘void update(int, int)’: user.cpp:14:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:35:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:26:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]