UVA200 Rare Order

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=136 [PDF](https://uva.onlinejudge.org/external/2/p200.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA200/9a9e85934e3ab94861bb819ce38b4973c944ea2c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA200/e865babc667fb737cc2b9a460e28ab7da5e2337c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA200/0de6ce9cdbc1762be8471514c6a937ee0a4c1333.png)