Creator of the Stars: Chapter 1 Participate as a jury, a tester, or a staff in the Arena
171
SASA Programming Contest 2021 Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
172
Creator of Balance - Platinum Achieve a rating of 1600 or higher for all 8 tags displayed on the profile
182
2022 shake! Participated in 2022 shake!, or solved 1 or more problems in its open contest
208
INU 코드페스티벌 2023 INU 코드페스티벌 2023에 참가, 혹은 Open Contest에 출전해 한 문제 이상 해결
219
FunctionCup 2023 FunctionCup 2023 혹은 Open Contest에 출전해 1점 이상 달성
236
2022 Chung-Ang University Programming Contest Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
261
IamCoder 2022 Year-end Contest Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
SUAPC 2022s Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
272
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
Spend 2023 with BOJ Solved 1 or more problems in Hello, BOJ 2023!
290
2022 Inha University Programming Contest Participated in 2022 Inha University Programming Contest, or solved 1 or more problems in its open contest
291
Sogang Programming Contest 2022 Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
292
GBS Coding Contest 2022 Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest