UVA11799 Horror Dash

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2899 [PDF](https://uva.onlinejudge.org/external/117/p11799.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11799/697f784f5cb8368886e0728190378a801a421514.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11799/58c775946ee64ef862b4db7abfcc3f4c436f5955.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11799/a19b11afb1d6c583d4f85012c1ca4f8b488aeb6b.png)