Dog Distance

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2896 [PDF](https://uva.onlinejudge.org/external/117/p11796.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11796/76c9c82b70192684e3f5c88a966831c2d254fa5d.png)

输入输出格式

输入格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11796/9c45db46af924296cac97c3bd992e4383baec79a.png)

输出格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11796/3ed368f5ae0eee1c0d5a6d5d1583c08c6b2bde51.png)

输入输出样例

输入样例 #1

2
2 2
0 0 10 0
0 1 10 1
3 2
635 187 241 269 308 254
117 663 760 413

输出样例 #1

Case 1: 0
Case 2: 404