Hi! This video is a screencast of Codeforces Round #725 (Div. 3) with my thought process.
If you're interested you may also want to check my videos on algorithms:
Everything you need to know about MEX operation: https://youtu.be/JDuVLyKn7Yw
Segment Tree Beats: Segment Tree On Steroids. Part 1:
https://youtu.be/NwkO73jGSPA
Chapters:
00:00 - Intro
01:48 - Problem A
04:07 - Problem B
07:20 - Problem C
18:09 - Problem D
22:45 - Problem E
32:49 - Problem F
35:01 - Problem G
46:40 - Finishing
47:30 - Brief analysis
59:50 - Post contest thoughts
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