UVA12488 Start Grid

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3932 [PDF](https://uva.onlinejudge.org/external/124/p12488.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12488/b7bd4f0dfb648e1e13576aa3fe7d3e60ed586b0d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12488/30d26234bab4e014d767bb479f54e700bda5fec1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12488/fda215947b7b5b9ba8d83733fc7251cbfa40f106.png)