Problems
Arena
시즌 2 골드 2
Condition 시즌 2에 골드 2 달성4.5K
Season 2021 — Gold II
Condition Reached Gold II in Season 20212.7K
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
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.1K
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
UCPC 2021
Condition Participated in UCPC 2021426
Standard Library
Celebrated the 1st anniversary of solved.ac
Condition Solved previously unsolved problem at between May 31st, 2021 00:00 and June 8th, 2021 00:00 (KST)5K