Today I participated in Codeforces Round 887 (Div. 1). My experience was terrible (I wasn't able to solve 1852A - Набор Ntarsis during the contest, hope it tells you a lot), but it's still recorded, so hopefully it'll be useful for somebody. As usual, during the first half I participate while explaining aloud what and how I do, during the second part I explain more slowly the solutions of Div.1 problems A–D.
Note that the audio is quite high quality, and the high-quality video is coming in a couple of hours (Youtube is still processing it right now).
https://www.youtube.com/watch?v=2Dvi4WdFliM
UPD: The video now is high-quality.
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Seeing a red not being able to solve C(div2) gives me some hope that I m not too dumb. Gj and thanks for the vid
In my own defense, it was not a typical Div.2 C!
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