Problems
Arena
Season 2020 β Gold IV
Condition Reached Gold IV in Season 20201.2K
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event601
All Solve! β Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.5K
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 shop2.9K
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 Β· solved.ac
Condition Solved 1 or more problems in Good Bye, BOJ 2021! and Hello, BOJ 2022!279
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 'μμ΄' or '쿼리' in its Korean version of the title, at some point after March 22, 20226.8K
Real Final Ghudegy Cup 2 2
Please make a poster 2 (I won't)
Condition Solved uncountable problem in Real Final Ghudegy Cup 2 2754
If you need more burgers or coke, please feel free to ask our staff 2
We will eat burgers if you ask us 2
Condition Solved uncountable problem in Real Final Ghudegy Cup 2 2754
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 β Platinum III
Condition Reached Platinum III in Season 2021374
Full Binary Christmas Tree
Condition Reach level 4 or deeper on the deepest ornament card in the Make a Tree event, 20221.1K
SciOI 2022
Condition Participated in SciOI 2022, or solved 1 or more problems in its open contest88
μμ¦ 2 νλν°λ 2
Condition μμ¦ 2μ νλν°λ 2 λ¬μ±331
μμ¦ 3 νλν°λ 2
Condition μμ¦ 3μ νλν°λ 2 λ¬μ±476