Winning Facebook (Meta) Hacker Cup Qual Round 2022?

After failing a problem last year, can we pull it off this time? Just went head to head with over 27,000 competitors in Meta Hacker Cup:   / scoreboard  

Yes I know my haircut looks like Guile from Street Fighter.

Find me on Twitter:   / wuneal  
Join my Discord server:   / discord  

0:00 intro
0:15 Problem B1
3:51 Problem A
6:44 Currently in first place!
6:56 Thinking through B2
7:24 Problems C1 + C2
12:28 Problem B2
19:12 Submitted B2 with a huge lead
19:28 Problem D
22:01 Contest system having technical difficulties on B2
24:04 Back to problem D
34:17 Finished in first place! Should be 100 points with B2
34:52 Solution to A
36:48 Solution to B1
38:40 Solution to B2
43:03 Solution to C1 + C2
46:21 Solution to D
52:35 Officially 100 points and 1st place!