Hello, I've made a video-editorial for the problem Div.2 D (Div.1 B) from the yesterday's contest.
https://www.youtube.com/watch?v=0pQjbLOQL-c
Thanks Arti1990 for this controversial problem!
Codeforces Round 880 (Div. 2) D / (Div. 1) B – Video Editorial
Hello, I've made a video-editorial for the problem Div.2 D (Div.1 B) from the yesterday's contest.
https://www.youtube.com/watch?v=0pQjbLOQL-c
Thanks Arti1990 for this controversial problem!