/in/foo.cc: In function 'int w33ha(int)':
/in/foo.cc:10:5: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     gets(s+1);
     ^~~~
In file included from /usr/include/c++/6/cstdio:42:0,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46,
                 from /in/foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:10:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     gets(s+1);
             ^
In file included from /usr/include/c++/6/cstdio:42:0,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46,
                 from /in/foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccowyxhR.o: In function `w33ha(int)':
foo.cc:(.text+0x42): warning: the `gets' function is dangerous and should not be used.