UVA10151 Spaghetti

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1092 [PDF](https://uva.onlinejudge.org/external/101/p10151.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10151/d6d37ff6bbcd6e2fcce257959f265dcf2baa27fa.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10151/65b643633a166fc4e4327aebd99ef2242d120270.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10151/2f20bfa01a62db03f0c9350221f16030db145f59.png)