UVA121 Pipe Fitters

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=57 [PDF](https://uva.onlinejudge.org/external/1/p121.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA121/d027ac6039799fff9cc7e2d09327776cb5d35f89.png)

Input Format

N/A

Output Format

N/A