UVA382 Perfection

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=5&page=show_problem&problem=318 [PDF](https://uva.onlinejudge.org/external/3/p382.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA382/5aa4e6f2baf94b92707d939ac6eb8e997dc9121e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA382/444e54b915ebd11db37ea608c885fd9e0d6863e2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA382/020173c9aa50a9d345fe31f69ec586d53d36231d.png)