Problems
Arena
시즌 3 골드 4
Condition 시즌 3에 골드 4 달성7K
시즌 2 골드 4
Condition 시즌 2에 골드 4 달성5.1K
Season 2021 — Silver I
Condition Reached Silver I in Season 20213.9K
Sejong Lake Park
The largest artificial lake park in the Republic of Korea.
Condition Participated in SASA Programming Contest 2021, or solved 1 or more problems in its Open Contest173
Merry Christmas 2021
Solved a problem in Christmas or Christmas Eve 2021
Condition Solve 1 or more previously unsolved problems between 6:00 AM on December 24, 2021 and 6:00 AM on December 26, 20213.5K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.5K
100 Days of Consistency
Condition Achieve max streak of 100 days4.6K
30 Days of Sincerity
Condition Achieve max streak of 30 days13K