UVA10043 Chainsaw Massacre

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=984 [PDF](https://uva.onlinejudge.org/external/100/p10043.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10043/c50c96cb7fd989d7cee2064b5f514c076ca7341f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10043/0a3db42763ab51da141ce796926d63388e7d18aa.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10043/ef7c9bf1f37d500784c23dbf003290ab88568211.png)