铁人比赛 Ironman Race in Treeland
题目描述
[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3313
[PDF](https://uva.onlinejudge.org/external/121/p12161.pdf)
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12161/3a242af46874c62fb8299fbd8f821518dbaaf11d.png)
输入输出格式
输入格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12161/2198d0e7f1dc1c9dd3e0a476d28b4af7b9ac13f8.png)
输出格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12161/e32c08711ef3db32f750bfa30416b27bd0bc617b.png)
输入输出样例
输入样例 #1
2
4 2
1 2 1 1
1 3 1 2
1 4 2 3
4 3
1 2 1 1
1 3 1 2
1 4 2 3
输出样例 #1
Case 1: 3
Case 2: 5