For the last 3 days, our very own cp-algorithms has been down. Does anybody here know what is going on with it? It would be really sad if it were to be permanently taken down.
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
Соревнования по программированию 2.0
Время на сервере: 20.04.2026 13:22:29 (g2).
Десктопная версия, переключиться на мобильную.
При поддержке
I believe that CP-Algorithms is moved to the following website: https://cp-algorithms.web.app/
Thanks a lot!
Yeah, apparently there is some issue with the domain as I read in some comments. There is a pdf version and temporary site which I am using now, hope this will help you as well :)
Website : https://cp-algorithms.web.app/
PDF : https://github.com/algmyr/e-maxx-eng-book/releases/download/2020.11.30/e-maxx.pdf
You can also use the Google cache :v
Don't worry. We'll continue hosting the cp-algorithms website.
There have been some changes with our current hosting providers, and as a result the deployed website doesn't work anymore.
I've temporarily set up the website at a new host (https://cp-algorithms.web.app/), and I'm working on getting the original URL working again. Unfortunately the cp-algorithms.com domain is not owned by me, but by another contributor. So I need get in contact with him and coordinate the setup with him, but so far he hasn't responded to my messages yet.
How to download cp-algorithms.web.app ?
There is a PDF version: https://github.com/e-maxx-eng/e-maxx-eng/files/6986601/e-maxx.pdf
And otherwise, you can also just clone the complete repository from our Github page.
The pdf is awesome. Has anyone considered printing this as a physical book?
I wouldn't feel good about publishing it as a book as the project stands right now. The quality of the articles, the explanation style, the notation, the code style, ... varies a lot between articles. Some of the articles are known to have mistakes in them (although I hope only a handful at most), for some the explanation is completely lacking (like the suffix tree), and some very basic topics like binary search or DP are missing. And on the other side there are some obscure topics like the MPM algorithm, the Lyndon factorization, Montgomery multiplication, ..., that probably nobody would ever need (well, at least not many).
It would be a lot of effort going over all the content and bringing it up to a form, fix everything, bring it into good shape, filter out the important bits, add images, and extend the missing parts.
And I'm not even sure if the project licenses allows it.
If I find a mistake in any of the article, how can I report it?
You can report it by creating an issue in our Github project: https://github.com/e-maxx-eng/e-maxx-eng/issues Or even better, fork the project, fix the mistake yourself, and make a pull request.
(or send me a PM in case you don't have and don't want a Github account)
http://cp-algorithms.com is back!
thanks