UVA109 SCUD Busters

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=45 [PDF](https://uva.onlinejudge.org/external/1/p109.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA109/50b83d82c133091e1cd219c2200ba57ba11de3bd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA109/bcf7ee0f97f843dc9a74f995c8c42eb3fd7b8fcd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA109/24b6704cd862cef8d05596730c9a73351796939f.png)