UVA11447 Reservoir logs

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2442 [PDF](https://uva.onlinejudge.org/external/114/p11447.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11447/4977eacd1ea4321a8496eaab37f9d623aa90a02f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11447/ee344e18461bf8840839505f8ba51fcbb265a8fb.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11447/ee5b57ea48d84c48af8be436992974fb1ddd54b7.png)