@[Sharing666](/user/394991) https://www.luogu.com.cn/discuss/show/273345
by lsw1 @ 2021-08-20 20:01:24
借帖 hack 最后1篇[题解](https://www.luogu.com.cn/blog/hak20050209/solution-p3426)
对于数据 abacaba，这篇题解输出3，而正确答案应为7。
@[yurzhang](/user/126486)
by FuncoF9 @ 2021-08-20 20:12:39
done
by mrsrz @ 2021-09-17 16:40:17