foo.cc: In function 'int main()':
foo.cc:6:2: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  gets(s);
  ^~~~
In file included from /usr/include/c++/6/cstdio:42:0,
                 from foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
foo.cc:6:8: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
  gets(s);
        ^
In file included from /usr/include/c++/6/cstdio:42:0,
                 from foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
 extern char *gets (char *__s) __wur __attribute_deprecated__;
              ^~~~
foo.cc:12:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if (x%11==s[12]-48||x%11==10&&s[12]=='X')
                      ~~~~~~~~^~~~~~~~~~~~
/tmp/ccoUZcNi.o: In function `main':
foo.cc:(.text.startup+0xc): warning: the `gets' function is dangerous and should not be used.

自豪的采用jd5进行评测(github.com/masnn/jd5)

{"receive":"2020-02-23T05:45:08.706Z","handle":"2020-02-23T05:45:08.706Z","cache_start":"2020-02-23T05:45:08.706Z","read_cases":"2020-02-23T05:45:08.860Z","judge":"2020-02-23T05:45:08.860Z","done":"2020-02-23T05:45:09.376Z"}