Problems
Arena
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
100 Days of Consistency
Condition Achieve max streak of 100 days3.7K
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
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.2K
All Solve! — Bronze IV
Condition Solved every Bronze IV problem after November 30th, 2021502
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
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, 20225.4K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)8.4K
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
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.2K
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 — Gold V
Condition Reached Gold V in Season 20213.6K
365 Days of Brilliance
Condition Achieve max streak of 365 days825
Midsummer Memories
Condition Achieve a score of over 1,800 in the Postcard Decoration Event 20221.4K
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
SUAPC 2022s
Condition Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest272
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871
Full Binary Christmas Tree
Condition Reach level 4 or deeper on the deepest ornament card in the Make a Tree event, 20221.1K