Problems
Arena
If you need more burgers or coke, please feel free to ask our staff
We will eat burgers if you ask us
Condition Participated in EtvycAuRLZpb6hhe86x0, or bought the background at the coin shop1.3K
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
100 Days of Consistency
Condition Achieve max streak of 100 days3.6K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.2K
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 shop2.5K
200 Days of Diligence
Condition Achieve max streak of 200 days1.7K
God's Queries on This Wonderful Arrays!
Seeing that the value written in the Nth sequence in front of your house changes every day, you became angry and decided to sue Hanbyeol.
Condition Solve 1 or more problems which has '수열' or '쿼리' in its Korean version of the title, at some point after March 22, 20225.3K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)8.3K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.2K
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
Season 2021 — Bronze V
Condition Reached Bronze V in Season 20214.2K
365 Days of Brilliance
Condition Achieve max streak of 365 days815
Midsummer Memories
Condition Achieve a score of over 1,800 in the Postcard Decoration Event 20221.4K
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871
Walking Through the Winter Forest
To feel the beauty of snowflakes, one must endure the cold.
Condition Solved 1 or more problems in the Invitation of the Winter Forest466
2022 Seoul Cyber University Programming Contest
Condition Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest340
2022 1st Calculus, Probability, and Statistics Cup
Condition Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup360
Black and White
Life, like backgammon, is constant decision-making under uncertainty.
Condition Solved 3 or more problems in the Boardgame Cup481
꿈과 희망의 수호자 마법소녀
마법소녀는 모두의 꿈과 희망을 이루어주는 존재입니다.
Condition 아니메컵 1쿨에 출전해 1문제 이상 해결636