The 9th Hanyang University Programming Contest Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
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
Level 10 Sprout Solved problems for 1,024 days in a row
109
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
2022 1st Calculus, Probability, and Statistics Cup Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
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
SciOI 2022 Participated in SciOI 2022, or solved 1 or more problems in its open contest
226
GBS Coding Contest 2022 Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest