UVA13092 Fold the String

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=866&page=show_problem&problem=4990 [PDF](https://uva.onlinejudge.org/external/130/p13092.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13092/2ecc2b5fc121b260690d4cdfd56a38c68304c692.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13092/8d98e9d8e652429db3935821fb8c8c68d3149f50.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13092/4ae189a086b53539ab9c97a7bd8567a71fcea83f.png)