Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
2022 Seoul Cyber University Programming Contest Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
IamCoder 2022 Year-end Contest Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
GBS Coding Contest 2022 Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest