Problems
Arena
시즌 3 골드 5
Condition 시즌 3에 골드 5 달성8.1K
시즌 2 골드 5
Condition 시즌 2에 골드 5 달성5.9K
Season 2021 — Silver I
Condition Reached Silver I in Season 20213.9K
Magician of the Library
Celebrated the 2nd anniversary of solved.ac
Condition Solve 1 or more previously unsolved problems between 6:00 AM on May 30, 2022 and 6:00 AM on June 6, 20229.7K
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
On the Way to Work
Wanna take the bus to the otherworldly?
Condition Participated in Sogang Programming Contest 2021, or its Open Contest132