UVA11958 Coming Home

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3109 [PDF](https://uva.onlinejudge.org/external/119/p11958.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11958/f43e3dadb8083c0287bf66f7cbdac68ca7b970c3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11958/fa6fb605d1dfd86650ac79642c3419439af34d8c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11958/8194c616e98f5b0e57360fc9d9c82034c20cc519.png)