@[__dest__ruct__or__](/user/592238)
第三个样例为 ```qwertyqwertyqwerty``` 。
by _AC_problem_er_ @ 2023-01-25 17:58:31
@[hehe625](/user/445650) 谢谢谢谢，AC 了，私信
by Eirin_Yagokoro @ 2023-01-26 08:08:55