Uploaded October 2020 | Updated September 2026, 2 weeks ago

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Codechef October Cook-off: codechef.com/COOK123A

0:00 Intro
1:42 "Yet Another Crossover Episode"
6:50 "Path-etic Sums"
11:11 "An Invercative Problem"
46:26 "The In-XOR-able Task"
1:05:18 "Isomorphic Morphism"
1:43:50 Trying "Ppeerrffeecctt Ssqquuaarreess"
2:10:50 Checking Leaderboard

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