Problems
Arena
Season 2020 — Platinum III
Condition Reached Platinum III in Season 2020221
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
UCPC 2021
Condition Participated in UCPC 2021426
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
100 Days of Consistency
Condition Achieve max streak of 100 days3.7K
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
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
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
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
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
:blobhanbyeol:
Just take my money and show me a way to reach Expert
Condition Solved 2 or more problems in the 1st Blob Cup239
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, 20225.4K
Formula Completion Game
4 1 5 5 5 = 38
Condition Participated in the 1st Silver Cup215
The 1st Silver Cup
Condition Solved 1 or more problems in the 1st Silver Cup127
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)8.3K
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