Can someone send me a book that are around 40-50 pages long so I can read and print it out, those books by Laaksonen or Steven and Felix are too long to read and print. help me

Uhh guys when I just registered my account in USACO's website, but it didn't tell me to make a password although it should be necessary for login. help

Hey, I have my contest ready on Polygon for my own private group for my friends, but I don't know how to upload it. I asked ChatGPT and it said it need ID but I only UID... Help plz.

Guys, is it possible to view the full test of a verdict? I want to view and see what's wrong. (Pretests or system tests is okay). Lately I kinda ask so much, I think people feel annoyed of my questions but please consider help.

I just submit my B.Blank Space and i just waited for 6 HOURS and no response. Is this pretty normally here or rarely? Maybe Mike is fixing the judges.

Guys im new to Codeforces Better and I don't know how to change the language and now im stuck with chinese. Helppp