随笔分类 -  数学——高斯消元/生成树计数/矩阵树定理

摘要:HIGH - Highways http://www.spoj.com/problems/HIGH/ In some countries building highways takes a lot of time... Maybe that's because there are many poss 阅读全文
posted @ 2017-08-23 14:47 TRTTG 阅读(504) 评论(0) 推荐(1)