I was hoping to see discussion on the problems, but the announcement seems to have disappeared.
EDIT: Back up!
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Codeforces (c) Copyright 2010-2024 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 23.12.2024 01:39:57 (j2).
Десктопная версия, переключиться на мобильную.
При поддержке
Also the ratings are not updated yet :\
Old ratings 2 hours after the contest is not uncommon though.
Hi guys! Something bad happens to cf-predictor, it's falling over and over again. It's not clear what is the reason. You could download prediction here. Mirror will be available soon.
UPD
I can see rating prediction on standings page, hope you too:) Website currently deployed on AWS
I think the round will be unrated due to fault in data set in C div 2.
Seems like the blog author might have deleted it.
It shows no blogs in his profile. http://codeforces.net/blog/adedalic
Edit: The blog is back.
Someone found a counter-example for the systests for Div1A/Div2C.
How was counter-example? Test were weak or not correct?
Not correct. A complete bruteforce solution found a better answer on some case from the systest. The probable intended solution was a greedy solution with no proof.
In this case I think they should rejudge solutions or make round unrated.
If the problem is only in final tests, rejudging submissions will be enough!
Seems you will get + rating from this round if it will be rated :D
P.S. Yes, I would prefer to rejudge submissions too
Nope, i'll be getting about -50 (and i deserve it!) !
Anyway, it will be good it if they rejudge...
yeah!
I think rejudge might not help even if pretests were right. Since there is hacking . And someone might be affected by that.
We posted about some potential problem for judge data of C with the test case. Then it got deleted. So we think it really does have some problem
I hope it will be unrated:D
Then it will be 2 unrated contests in a row for div2 lol
This must be what being in div1 feels like.
it will be the second contest in a row that become unrated in less than a week :D
This happened just because she didn't send nUdes.
Did you just censor the word "nudes"?
Yes because On cf there are some kids too Btw it was just funny
I don't think nudes is really a bad word...
Now they published again http://codeforces.net/blog/entry/52927
Oh! There is no announcement in recent actions again!
Oh, there is announcement in recent actions again! Revisited! I'm very happy!!!
Due to downvotes, I wrote the comment in the announcement:
I'm really disappointed about the blog post rating is negative. Several hour ago, the post rating was 300-400, but now it is -50. I think some people was disappointed about unrated. Me too. But the contest writer worked very much for codeforces and people, and you may enjoyed the other problems. So I think this post should be positive, at least 0 because you may enjoyed at least a little, and the writer worked very much. Don't blame the writer too much.
But the post rating was increased from -50 to +6! (It tend to positive!!) I'm very happy, which is the opposite of dissappointment.
In addition, I still pray the post rating will be positive.