Problems
Arena
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
Goms Party
Condition Solved 1 or more problems in the 1st Gomgom Cup591
Sogang Freshman Programming Contest 2022
This problem is too easy. It is very trivial.
Condition Participated in 2022 Sogang University Freshman Contest, or solved more than 2 problems in its open contest336
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.3K
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
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
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)8.7K
Formula Completion Game
4 1 5 5 5 = 38
Condition Participated in the 1st Silver Cup215
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, 20225.5K
200 Days of Diligence
Condition Achieve max streak of 200 days1.8K
</21> <22>
You, a minute ago · solved.ac
Condition Solved 1 or more problems in Good Bye, BOJ 2021! and Hello, BOJ 2022!279
Opening of the Year 2022
Hello, 2022!
Condition Solved 1 or more problems in Hello, BOJ 2022!368
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
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
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 shop2.6K
On the Way to Work
Wanna take the bus to the otherworldly?
Condition Participated in Sogang Programming Contest 2021, or its Open Contest132
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.2K
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
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
100 Days of Consistency
Condition Achieve max streak of 100 days3.8K