Perfect Streak, Season 2021 Achieve a streak of 321 days from July 19, 2021 to June 4, 2022
20
Full Streak, Season 2021 Maintain streak from July 19, 2021 to June 4, 2022
21
Semi-Game Cup 3 (2022) Solved 1 or more problems in Semi-Game Cup 3
170
Summer Postcard Decoration: Top 1,000 (2022) Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
Sinchon Station (2022) Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
388
2022 Chung-Ang University Programming Contest Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest