Uploaded September 2020 | Updated September 2026, 2 weeks ago

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Screencast of Codeforces Round #673 (codeforces.com/contest/1416) with some commentary.
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0:00 A
4:53 thinking B
10:31 C
18:52 solving B
27:32 reading D
46:11 improving D
48:53 "that's dangerous"
49:38 E
1:27:48 Reading F

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