UVA13100 Painting the Wall

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=4998 [PDF](https://uva.onlinejudge.org/external/131/p13100.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13100/b63649000aec5c4879d870730bc1e3c8e604a6a2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13100/4bc40df8c8ad9c72ecbe5ebd988d6a6960dffc3d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13100/cca0152bd0e9b327686e7cb7e1aecbf3d029d8f6.png)