首先复杂度就不对吧
by GNAQ @ 2019-01-05 18:35:50
图不一定联通啊
by hyfhaha @ 2019-01-05 18:36:23
@[hyfhaha](/space/show?uid=58711) 所以呢
by 御坂13558号 @ 2019-01-05 18:43:35
@[璀璨天狼](/space/show?uid=144520) tarjan要对每一个联通块都跑一次
by hyfhaha @ 2019-01-05 19:10:45