See my comment: There's inconsistency in tutorial and solution code of 1661F.
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 25.09.2026 00:31:26 (g2).
Десктопная версия, переключиться на мобильную.
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Why downvote? Is it not welcomed on CodeForces to talk about tutorials of contests several months ago?
I don't think a post figuring out some bugs of tutorial could make someone annoyed. So who's downvoting this post?
don't worry, I believe there are bots downvoting blogs and comments, because oftentimes when I upvote comment in recent posts, its score stays at 0 even after a minute has passed
There are tons of downvotes on my comment but nobody commented something like "it's not a bug the tutorial is right". Only downvote. No reason. HOW CAN I KNOW WHY I AM DOWNVOTED ON CODEFORCES?
A lot of people downvotes literally for nothing, because they literally understand nothing. I suggest you should write a detailed proof for low-rated users to understand your insight.
If that problem is a D2B, the scenario would be different.
bro, relax. Ur lucky that at least ur getting recognition and sympathy for getting downvoted. ppl who are rated below expert (this is especially the case for noobies) get downvoted all the time for asking totally reasonable questions. Idk why but its either bots, or ppl who just downvote randomly, but either way, it will happen very often.
90% of the "questions" asked from newbies are just trash. Normal questions from newbies aren't downvoted. But downvoting a question that has been answered here a thousand times or a question that can be easily googled is absolutely fair.
My favourite blog of all times:
https://codeforces.me/blog/entry/70237
It is ironic though that such questions can be still seen in a "recent" tab few times a year.
another such topic is "Vector gives TLE but array doesn't", "Why does my vector solution give TLE", when the user defined vector v(MAXN,0) for every test case
Yes I know 1661F is a problem 1 year ago but I don't think talk about it's tutorial should be forbidden on CF.
It is okay when you are heavily downvoted for nothing. I have had such experience.
https://codeforces.me/blog/entry/95691#comment-847847
I have written this comment, and then got a reply from somebody:
https://codeforces.me/blog/entry/95691?#comment-847882
This reply is obviously wrong, and shows that this person doesn't know what he/she talking about. But to my surprise, I started to get many downvotes. Some greys and greens, I suppose, thought like "oh, the first comment contain a mistake because there is another comment disproving it".
And only when I made the third comment, disproving the second one, I started to get upvotes.
https://codeforces.me/blog/entry/95691?#comment-847944
So yes, this is the basic thing: people spreading downvotes heavily just for nothing. It is very uncomfortable, but I have already accepted this.
Seems like it's a typo. Obviously there should be "maximum".
I didn't even notice this when I was reading this editorial XD.
Btw don't worry about downvoters, you're asking a reasonable question.
I fixed that, sorry for the issue. Although I think it's quite obvious that there should be maximum instead of minimum.
UPD: I definitely fixed it on Polygon and built the package, but somehow it doesn't update. I hope it just needs more time