UVA11412 Dig the Holes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2407 [PDF](https://uva.onlinejudge.org/external/114/p11412.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11412/55aa11beb4be0ef786cc13b451d1a2f889cc6acf.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11412/f8a2e4aafcbc3b7b1a6bf61e6648bf164a1f2c13.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11412/b3b3f6ee3953d9f83a9a4e52e8ed7201b85e4580.png)