UVA12471 Association of Strings

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3915 [PDF](https://uva.onlinejudge.org/external/124/p12471.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12471/c1d3929f86ede5ba35a71fd63c0c71d5cfc4dbfa.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12471/da7ebf20a7460eb558e0c83a098810dc8576e481.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12471/861b1392436d4d939d2c08a4b68ff0ec45e74f07.png)