「CoOI Round 1」赛后总结贴和赛后评价贴

学术版

B D duliu !
by RBI_GL @ 2021-04-09 09:27:48

这个 B 还真就判完无解强行构造啊/jk，好 nb 啊，orz出题人。另外，“一人通过高于预期，零人通过符合预期”也太恐怖了吧（
by tommy0221 @ 2021-04-09 10:16:11

qp
by WinterRain208 @ 2021-04-09 11:00:33

怎么是你发的帖啊(
by 血色黄昏 @ 2021-04-09 11:21:46

@[_SkyBlue](/user/250147) ~~我就说B毒瘤你还说一定没有蓝~~
by 血色黄昏 @ 2021-04-09 11:22:41

“一人通过高于预期，零人通过符合预期” 不愧是你难度四黑实锤
by Reisael @ 2021-04-09 12:05:53

~~难度过大~~我太菜了数据太水晚自习回来打了40min就能水到23名。。（全是骗来的分
by in_young_ren @ 2021-04-09 17:36:18

> B 题 1 人通过，高于预期； D 题 0 人通过，符合预期。 ![jk](https://cdn.luogu.com.cn/upload/pic/62234.png)![jk](https://cdn.luogu.com.cn/upload/pic/62234.png)![jk](https://cdn.luogu.com.cn/upload/pic/62234.png)
by Eason_AC @ 2021-04-09 20:29:10

想问一下B跟Langford数列有关系嘛
by MSqwq @ 2021-04-09 21:50:58

hp
by kawaii__yuyu @ 2021-04-10 16:27:24