UVA12963 Astragalus Nitidiflorus

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4842 [PDF](https://uva.onlinejudge.org/external/129/p12963.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12963/75f6bb847cab2edb7c28498cf826e4006a304a61.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12963/d96e671fc239ce9c27714211417d5a0d3a4397be.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12963/5e367d87f35a5964486a0dea02cade6ce1f56785.png)