UVA570 Stats

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=511 [PDF](https://uva.onlinejudge.org/external/5/p570.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA570/5d8584f2718cb39b3d2793f257297a33fc1e3574.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA570/d37f5b9fe32b31513087535d458b0764fd556d6e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA570/7df9fa7df618ad69882f95c8416fc330b114757e.png)