Borderou de evaluare (job #394305)

Compilare: user.cpp: In function ‘int main()’: user.cpp:18:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:28:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:32:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:43:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:14:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:13: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:26:18: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] /tmp/ccB5L1lh.o: In function `main': user.cpp:(.text.startup+0x60): warning: the `gets' function is dangerous and should not be used.