@[Vector](/user/584)
by username_invalid @ 2019-11-15 09:46:54
@[Level_Minus_1](/user/33405) 注册时间2013
by lingshi @ 2019-11-15 09:47:36
vector这种东西不是本来就是给懒人用的么……
by Smile_Cindy @ 2019-11-15 09:47:50
@[中美两开花](/user/55357) [用前向星切这题，祝你成功](https://www.luogu.org/problem/P5068)
by skydogli @ 2019-11-15 09:47:56
@[skydogli](/user/7480) 我错了Orz
by Thaumaturge @ 2019-11-15 09:48:36
都是神仙吧
by King_of_gamers @ 2019-11-15 09:49:25
@[skydogli](/user/7480) 你怎么这么喜欢切Ynoi的题啊
~~是因为和lxl一个姓吗~~
by Thaumaturge @ 2019-11-15 09:56:55
@[中美两开花](/user/55357) OOOrz
by ACAね @ 2019-11-15 10:38:53
我还以为之前说我菜/kk
by ShineEternal @ 2020-01-21 08:47:07