Wrote a detailed editorial for one of my favourite problems
Wanna learn more about me?
Wanna learn more about persistent version of Convex Hull Trick (oops, spoilers, sorry about that)
Solution of problem E of day 2 of National Olympiad in Informatics 2017
Decided to share the solution of problem D of day 1 of National Olympiad in Informatics 2017
I encountered very interesting problem in math and couldn't help but introduce it to CP community