Code Feat
题目描述
[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2854
[PDF](https://uva.onlinejudge.org/external/117/p11754.pdf)
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11754/32298c9e57055dfda9f1f95dd26a078fe1e03f37.png)
输入输出格式
输入格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11754/7116a0bc6bf56a48f9df3e293b782181c6fee335.png)
输出格式
![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11754/264a0de69cadb63313cdf5409291cd6946776de2.png)
输入输出样例
输入样例 #1
3 2
2 1 1
5 2 0 3
3 2 1 2
0 0
输出样例 #1
5
13