CSES Introductory Problems
Errichto Algorithms
•
July 22, 2025
Errichto Algorithms
View ChannelAbout
Algorithms, competitive programming, coding interviews. I make educational videos and coding live streams, always sharing my thought process. My name is Kamil Dębowski (or Errichto) and I'm quite good at competitive programming. I'm a finalist of multiple big programming competitions like ICPC, Facebook Hacker Cup and Google Code Jam (even got 2nd place in 2018). I also organize competitions, which means inventing and preparing problems.
![Solving CSES Problemset [12 Hour Livestream] [150 coding problems]](https://imgz.pc97.com/?width=500&fit=cover&image=https://i.ytimg.com/vi/dZ_6MS14Mg4/hqdefault.jpg)
![[CSES][Introductory Problems] Digit Queries](https://imgz.pc97.com/?width=500&fit=cover&image=https://i.ytimg.com/vi/QAcH8qD9Pe0/hqdefault.jpg)
Problem-Solving Coding Essentials
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