Just competed in Facebook Hacker Cup: https://www.facebook.com/codingcompetitions/hacker-cup/2021/qualification-round Unfortunately, failed system tests on the last problem due to a minor bug! (see the comments) Join my Discord server: https://discord.gg/k5aNFDvQXB 0:00 Intro 0:12 Problem A1 + A2 9:08 Deciding whether to do B or C 9:36 Problem B 16:04 Problem C1 20:55 Sitting in first place! 21:03 Problem C2 53:16 Solution to A1 + A2 58:00 Standings 58:15 Solution to B 1:03:11 Solution to C1 + C2