SciOI 2022 Participated in SciOI 2022, or solved 1 or more problems in its open contest
226
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
2022 1st Calculus, Probability, and Statistics Cup Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
2022 Seoul Cyber University Programming Contest Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest