Problems
Arena
The 2nd Korea Aerospace University Programming Contest
Condition Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest165
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
Season 2021 — Diamond V
Condition Reached Diamond V in Season 2021206
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
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.7K
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
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, 20226.2K
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
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
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
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.4K
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
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event601
30 Days of Sincerity
Condition Achieve max streak of 30 days12K
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
Season 2020 — Platinum IV
Condition Reached Platinum IV in Season 2020315