Note: The text editorial is/will be provided by the authors of the round. This video tutorial acts as an additional resource for those who prefer video over text, not as a substitute for the text editorial.

2170A — Maximum Neighborhood

2170B — Addition on a Segment

2170C — Quotient and Remainder

2170D — Almost Roman (quick walkthrough)

2170E — Binary Strings and Blocks

Feel free to check out Repovive roadmaps to learn CP topics: https://repovive.com/roadmap

(All educational content on Repovive is and remains free)