1. https://www.luogu.com.cn/blog/EnergyMaking/p1993-xiao-k-di-nong-chang
2. https://www.luogu.com.cn/blog/361308/solution-p1993
3. https://djy-juruo.blog.luogu.org/solution-p1993

撤下原因：

4 3
1 3 4 1
1 2 3 1
1 1 2 1

此数据应输出Yes,但以上题解输出No。