Crime Scene

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2826 [PDF](https://uva.onlinejudge.org/external/117/p11726.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11726/9f78f8cb381c0346c1fbd261ee4c2ba12ff682cb.png)

输入输出格式

输入格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11726/82a458e0c85677d1a7a466a87965af8677ce196b.png)

输出格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11726/0d3db91bf13cd51aa7629430259f7de991a91796.png)

输入输出样例

输入样例 #1

1
2
c 0 0 2
p 4 -1 2 1 2 1 -2 -1 -2

输出样例 #1

Case \#1: 13.148009