/in/foo.cc: In function 'int main()':
/in/foo.cc:33:9: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
         gets(s[i]);
         ^~~~
In file included from /in/foo.cc:4:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/in/foo.cc:33:18: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
         gets(s[i]);
                  ^
In file included from /in/foo.cc:4:0:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
/tmp/ccytHP9m.o: In function `main':
foo.cc:(.text.startup+0x6b): warning: the `gets' function is dangerous and should not be used.