UVA13256 Hip-$n$

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5179 [PDF](https://uva.onlinejudge.org/external/132/p13256.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13256/e96ee5d2954f7af18fd3177d069eb6ffb8d427e5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13256/7d0fa8041749d13ebd8a546f3b10ab6d5c8abf85.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13256/f85dd70d3a15406ec80b6793a9c62b3f65820da7.png)