KKiYeer was in the list of testers (check UPD 1), but this person participated in the contest, taking 30th place and gaining 226 rating. Hmmm...
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Codeforces (c) Copyright 2010-2024 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 07.05.2024 05:04:24 (j1).
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What? How?
IIRC, CF only checks if a user has been mentioned in the contest announcement prior to registration. Thus, a tester who was only mentioned in an update could have registered previously, thus bypassing the system. MikeMirzayanov?
I don't think cf checks anything like that, tbh
Nope, there is literally nothing in place preventing that. People just assumed testers wouldn't be dumb enough to actually do it.
If people does this with real id, I don't know what would people do if some cheater manages multiple id
I think CF assumed nobody would be this petty
How to be a tester? (Asking for educational purposes)
Well, I found this answer from Monogon
I'm sure he was just trying to upsolve his testing round. Don't see the big deal here.
Sarcasm^
Fair enough. But if that was his motive then obviously he should have no rating change.
Sarcasm orz
Notorious coincidence vol. 2.
Thanks, we'll do something.
Wow he is a legend! He knew the problems and he didnt solve problem e.
Simplicity Level 1000000007
Maybe he didn't want to be in the top 5 to avoid any focus of attention.
I guess it didnt work
Sorry, I dont know how to solve E. It's all my fault.
Most Codeforcers: As a tester, I want contribution. YannickChen: As a tester, I want more rating.
Sorry, contribution first.
I'm so sorry. I still can register, so I thought I could still paticipate and I didn't think I'd be involved in ratings before contest. But it doesn't look like it, and it is a mistake. This affects the fairness of the round. I am willing to accept the corresponding responsibility and punishment. Really sorry.
Why? If you know the problems, you clearly shouldn't be able to participate.
Wow I never thought of it like that before caoash, I never realized the implications of knowing the problems beforehand on the fairness of a contest.
Yes, it's all my fault. Sorry.
I thought they wouldn't give me a rating because of tester. Sorry!
My question is, even after knowing the tasks, how did you not get first place?
:thinking:
I didn't read the problem D and E before the contest, and i can not solve E because of my level.
I just want to try to solve more problems, but I should not be an individual participant. Sorry!
I didn't think I'd be involved in ratings because of tester before beginning. Sorry. Please cancel my rating and please accept my sincere apologies for any inconvenience and unfairness. Really sorry. I don't want to affect someone else's experience because of me. The problems is very extraordinary and beneficial. I love CF very much, and I also hope that every contest is fair and everybody can play happily in codeforces. Really sorry again. qaq
Fair point, but I don't really understand. When testing, did you not solve A? If you did solve it, then why did you solve it again, if your intention was to "solve more problems" (implying solving ones you didn't solve when testing?).
Hope admins will take desired action .
If they want they can reduce that rating from YanickChen and add it to my real account. This will balance rating system ,without causing any damage with least effort .
When you take testing to next level and test the round when it is live.
We'll remove him from the contest and ratings will be recalculated.
According to his comment it have be done without an evil intent.
I'm terribly sorry for the inconvenience it has caused you.
When will the rating change be fixed? I became CM in the last round. Due to the rolling back, I'm kinda confused about which division should I participate in. UPD: Rating change has returned.
Yeah, I am a Specialist! ：）