UVA11725 Colorful Board

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2825 [PDF](https://uva.onlinejudge.org/external/117/p11725.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11725/a243f6b048165a05d6dc48333b089085baeef20f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11725/ce056d7f2c553c7967d06e9d37d4ee1431f802aa.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11725/6f69de778e2f5c39b7ff8342655cc212dc3aa537.png)