Problems
Arena
시즌 3 실버 2
Condition 시즌 3에 실버 2 달성10K
시즌 2 실버 2
Condition 시즌 2에 실버 2 달성7.7K
UCPC 2022
Condition Participated in UCPC 2022, or in its open contest996
Season 2021 — Silver IV
Condition Reached Silver IV in Season 20215.4K
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