Kamil Debowski

Kamil Debowski, or “Errichto”, is a competitive programmer and a teacher. He participated in math contests through school, then switched to programming and became a finalist of the biggest international contests. He is the author of 300+ problems (Codeforces, Topcoder, Codechef, etc.) and reached the highest possible titles: Codeforces "Legendary Grandmaster" and Topcoder "Target".

Since 2018, Kamil is a full-time teacher: CP camps, high school classes, private coaching, video tutorials. His algorithmic Youtube channel (https://www.youtube.com/errichto) has over 250,000 subscribers and 12 million views. He also live-streams on Twitch (https://www.twitch.tv/errichto) and is a commentator of events like Topcoder Open and ICPC regionals.