I realized Yuhao Du (jqdai0815) didn't advertise his stream for Codeforces round #621: https://www.youtube.com/watch?v=KSr9aaGk-JM
So I'm putting it here for everyone :-)
UPD: jqdai0815 added the blog entry for this:
I realized Yuhao Du (jqdai0815) didn't advertise his stream for Codeforces round #621: https://www.youtube.com/watch?v=KSr9aaGk-JM
So I'm putting it here for everyone :-)
UPD: jqdai0815 added the blog entry for this: