Robuta

https://chromewebstore.google.com/detail/atcoder-calendar/dokfhaljgioiaeappgnmibgoipegbldf
Make it easy to add AtCoder contests to your Google Calendar.
chrome web storeatcodercalendar
https://zenn.dev/ohnuma/articles/dab02af0189079
atcoderbeginnercontest
https://www.ghostery.com/whotracksme/websites/atcoder.jp?utm_source=Logiciels.Profavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.icofavicon.ico
Explore the tracking landscape of atcoder.jp on WhoTracks.Me, revealing the most common trackers like AddToAny and their impact on privacy
atcoderjpghostery
https://zenn.dev/hirokis920/articles/01828b8129af1b
atcoderbeginnercontest
https://greasyfork.org/en/scripts/551938-atcoder-lf-submit/versions
Add button to submit source code with LF newlines instead of CRLF on AtCoder. Also display the byte length below the source code.
version historyatcoderlfsubmit
https://the-decoder.com/an-openai-ai-model-finished-second-in-the-atcoder-heuristics-world-finals/
An AI model developed by OpenAI placed second in the AtCoder Heuristics World Finals, an international competition involving particularly challenging...
ai modelopenaifinishedsecondatcoder