Borderou de evaluare (job #192847)

Compilare: user.cpp: In function ‘int main()’: user.cpp:51:13: warning: unused variable ‘aaaa’ [-Wunused-variable] user.cpp:51:27: warning: unused variable ‘bbbb’ [-Wunused-variable] user.cpp:51:41: warning: unused variable ‘cccc’ [-Wunused-variable] user.cpp:30:9: warning: unused variable ‘ca’ [-Wunused-variable] user.cpp:15:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:16:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:18: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] /tmp/cc04uQxa.o: In function `main': user.cpp:(.text.startup+0xb2): warning: the `gets' function is dangerous and should not be used.