UVA10298 Power Strings

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1239 [PDF](https://uva.onlinejudge.org/external/102/p10298.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10298/5a33977ad432cf783324c99a648deeedd9df4d47.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10298/48a79d2d21165840dc626d1c31c7512125b674f1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10298/c81d8cc64fae1d01af82bea56512daebaba439df.png)