UVA12458 Oh, my trees!

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3889 [PDF](https://uva.onlinejudge.org/external/124/p12458.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12458/93a4678f8115c503e815e589514ce3a968ac8881.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12458/cf7556d11e59799d9ee53efd9be501cdd5359261.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12458/79fcdb02711b3a44c2a8ad6f8703b841b2778de2.png)