UVA12287 Network Flow

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3439 [PDF](https://uva.onlinejudge.org/external/122/p12287.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12287/9a7b3c1319bd505ec60cb77488bab1d6f190bf24.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12287/21234c2e071749629c347e4f2aac3ca5be835760.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12287/87a9d2a7fb80ab66346edc89fa01615aaed064c9.png)