UVA10272 DDR King

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1213 [PDF](https://uva.onlinejudge.org/external/102/p10272.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10272/810922af84a7f21cfe100745ca7c4658587798a5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10272/71fb220a038ea587754c78d7881610ddf787e409.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10272/a6b9f69d5896bb7405e2484f205349ff28e095b3.png)