Borderou de evaluare (job #288466)

Compilare: user.cpp: In function 'int main()': user.cpp:16:16: warning: unused variable 'f2' [-Wunused-variable] user.cpp:16:19: warning: unused variable 'f3' [-Wunused-variable] user.cpp:18:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:22:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:30:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:48:12: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result] /tmp/ccdIeG3P.o: In function `main': user.cpp:(.text.startup+0x290): warning: the `gets' function is dangerous and should not be used.