I participated in the finals of Yandex Cup 2020 Algorithm track, with cash prizes for top3 (the winner gets 300,000 RUB = 4000$). Contest discussion and links: https://codeforces.com/blog/entry/81365

I stream regularly on Twitch:   / errichto  
Screencasts and past streams:    / errichto2  

Frequently Asked Questions: https://github.com/Errichto/youtube/w...
FB and Twitter:   / errichto   &   / errichto