题号[P1628合并序列](https://www.luogu.com.cn/problem/P1628)
by R浩轩泽Anmicius @ 2020-06-23 18:15:49
@[Jessie12138](/user/205782) find()是找子串不是找前缀
hack数据
```
2
ak
kaa
k
```
by FunnyCreatress @ 2020-06-23 18:22:06
@[Jessie12138](/user/205782) 你这个什么都没输出
by FunnyCreatress @ 2020-06-23 18:24:38
样例是过了的哦
by R浩轩泽Anmicius @ 2020-06-23 20:05:21
@[barbecue](/user/77174) 我find（）的是前缀子串，请问有什么问题吗？
by R浩轩泽Anmicius @ 2020-06-23 20:06:37
@[barbecue](/user/77174) 谢谢大佬我再试试
by R浩轩泽Anmicius @ 2020-06-23 20:12:53
@[barbecue](/user/77174) 这个是我参考题解1的思路码出来的
by R浩轩泽Anmicius @ 2020-06-23 20:24:23