As you would expect, USAAIO Guide got published this month (correct me if I am wrong but the first messages of the discord server were just one week ago). I think there is not much to talk as it seems to have the same structre as USAMO Guide and USACO Guide. I say seems because it is not fully published yet, the creators are working on the modules so the only thing you'll see when entering the USAAIO Guide is to joing the waitlist.

Disclaimer: when writing this blog I didn't know there was a USABO Guide, but it seems it was created long time ago as the copyright was since 2024. However, there are already other guides if you visit pandorax. As you can see there is