随笔分类 -  图论

[ZJOI2007]最大半连通子图 (tarjan缩点+拓扑序dp)
摘要:[ZJOI2007]最大半连通子图 链接:https://ac.nowcoder.com/acm/problem/20603来源:牛客网 题目描述 一个有向图G=(V,E)称为半连通的(Semi-Connected),如果满足:u,v∈V,满足u→v或v→u,即对于图中任意 两点u,v,存在一条u到 阅读全文

posted @ 2020-12-28 11:10 Aminers 阅读(76) 评论(0) 推荐(0)

CodeForces 981F Round Marriage(二分+Hall)
摘要:F. Round Marriage time limit per test:3 seconds memory limit per test:256 megabytes input:standard input output:standard output It's marriage season i 阅读全文

posted @ 2020-12-15 17:12 Aminers 阅读(144) 评论(0) 推荐(0)

导航