UVA10237 Bishops

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1178 [PDF](https://uva.onlinejudge.org/external/102/p10237.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10237/b7000182d8ee256be89676dd68b667e4e6253689.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10237/ed32b4106564482f991656be475bbc96dbc383da.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10237/a96c1a41426c95ae73424d2209063d34133f6f0e.png)