Solutions to all Div2 problems and Div1 A-C available at the end of the video. Thanks to the problem authors for the interesting set!
Here are the problems if you're interested in solving them:
https://codeforces.com/contest/1396
Timestamps:
0:00 Good Morning!
0:35 Problem A
13:33 Problem B
20:00 Problem C
1:17:13 Problem D and E
1:49:45 Commentary
1:50:19 Problem A Solution
1:52:15 Problem B Solution
1:55:04 D1A/D2C Solution
1:57:46 D1B/D2D Solution
2:02:04 D1C/D2E Solution