Problems
Arena
시즌 2 플래티넘 5
Condition 시즌 2에 플래티넘 5 달성2.7K
Season 2021 — Gold I
Condition Reached Gold I in Season 20212.9K
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
Opening of the Year 2022
Hello, 2022!
Condition Solved 1 or more problems in Hello, BOJ 2022!368
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
30 Days of Sincerity
Condition Achieve max streak of 30 days10K