UVA10784 Diagonal

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1725 [PDF](https://uva.onlinejudge.org/external/107/p10784.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10784/90bfdea4d9ebec11e6b3b3ea64ade4c084935a92.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10784/a8fa2218481954b3486f5238c5ceae96cef8b4d5.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10784/05f70c2c7f375ea78e4dc29a45e1ee0bd242a8bd.png)