UVA11381 Elegant Strings

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2376 [PDF](https://uva.onlinejudge.org/external/113/p11381.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11381/54924512f871b8bb221bc6fde61928807f610849.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11381/eb370c99773c57b2d30eede1454f3437420766ae.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11381/9d86e678fd14c139711c07fc72f5867d7a648463.png)