Problems
Arena
시즌 3 골드 1
Condition 시즌 3에 골드 1 달성6.8K
시즌 2 골드 1
Condition 시즌 2에 골드 1 달성4.7K
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
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
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
Stars in the Evening Sky
She who has a star in her heart never gets lost in the dark
Condition Bought the background at the coin shop2.7K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.4K
Pocky Day 2021
Solved a problem in Pocky day 2021
Condition Solved previously unsolved problem at between November 11th, 2021 06:00 and November 12th, 2021 06:00 (KST)3.3K
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event601
30 Days of Sincerity
Condition Achieve max streak of 30 days12K