RevolC FaeLoN
题目描述
[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1913
[PDF](https://uva.onlinejudge.org/external/109/p10972.pdf)
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10972/ba17e4ac14e2ee487b28de13454d9f53aeca427f.png)
输入输出格式
输入格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10972/432a439db54b8767a37193ab949b2073e9bc640d.png)
输出格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10972/4735676d9ac7703d9ad13e18651142e83b2498e3.png)
输入输出样例
输入样例 #1
3 2
1 2
2 3
10
11
1 2
2 3
3 1
3 7
4 5
5 6
6 4
7 9
6 3
9 8
7 8
输出样例 #1
1
2