Problems
Arena
Season 2020 — Platinum IV
Condition Reached Platinum IV in Season 2020315
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
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
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
100 Days of Consistency
Condition Achieve max streak of 100 days3.6K
TRICK|TREAT 2021
Solved a problem in Halloween 2021
Condition Solved previously unsolved problem at between October 31st, 2021 06:00 and November 1st, 2021 06:00 (KST)2.6K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.1K
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
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
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
Opening of the Year 2022
Hello, 2022!
Condition Solved 1 or more problems in Hello, BOJ 2022!368
</21> <22>
You, a minute ago · solved.ac
Condition Solved 1 or more problems in Good Bye, BOJ 2021! and Hello, BOJ 2022!279
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)8.2K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.2K
Season 2021 — Platinum III
Condition Reached Platinum III in Season 2021374
365 Days of Brilliance
Condition Achieve max streak of 365 days808
2022 1st Calculus, Probability, and Statistics Cup
Condition Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup360
무대 위의 별
밤하늘의 별들에게도 지지 않을 만큼 반짝이는 내 모습을 봐 줘!
Condition 아니메컵 2쿨에 출전해 1문제 이상 해결430