UVA12268 Wormly

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3420 [PDF](https://uva.onlinejudge.org/external/122/p12268.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12268/2bf8c6265863a37a220a2f8ce992b4060773ae4f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12268/47e7a53be9d569dd605a43ba284d669bc98f5a59.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12268/002bd46a1739ce6b09ef7e9fca90d3b222cf5545.png)