UVA12486 Space Elevator

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3930 [PDF](https://uva.onlinejudge.org/external/124/p12486.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12486/66bc6986578fcd37df994812bd7fdedbb135261d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12486/c87d3f310c60f5eeb10c21e24bcd07f3bfedf673.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12486/d19f4d18564929f1604476bac54b4c7d7ae26e56.png)