2023 Chung-Ang University CHAC Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
2022 shake! Participated in 2022 shake!, or solved 1 or more problems in its open contest
208
A yellow badge with a blue ribbon that seems to fit somewhere (2023) Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST