摘要: 1.十二重计数法 https://www.luogu.com.cn/problem/P5824 2.P6146 [USACO20FEB]Help Yourself G https://www.luogu.com.cn/problem/P6146 把线段按照左端点排序后随便dp即可 3.P6075 [ 阅读全文
posted @ 2021-12-05 23:24 Creed-qwq 阅读(132) 评论(0) 推荐(0) 编辑