UVA13265 Finding Paths

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5189 [PDF](https://uva.onlinejudge.org/external/132/p13265.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13265/57c00a539ae04189b628a7182d6cf1b0eb5169b7.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13265/02d1e330ae376606eb69e4840af77f53682c3e2d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13265/efa0f0914d5e8efa955d4fee456d928ffe9a75f2.png)