Problems
Arena
The 9th Hanyang University Programming Contest
Condition Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest284
Walking Through the Winter Forest
To feel the beauty of snowflakes, one must endure the cold.
Condition Solved 1 or more problems in the Invitation of the Winter Forest466
Sogang Programming Contest 2022
Be as proud of Sogang as Sogang is proud of you.
Condition Participated in Sogang Programming Contest 2022292
365 Days of Brilliance
Condition Achieve max streak of 365 days943
Season 2021 — Gold I
Condition Reached Gold I in Season 20212.9K
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)4.5K
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)9.2K
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, 20225.9K
200 Days of Diligence
Condition Achieve max streak of 200 days1.9K
All Solve! — Bronze IV
Condition Solved every Bronze IV problem after November 30th, 2021536
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.3K
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
100 Days of Consistency
Condition Achieve max streak of 100 days4.1K
30 Days of Sincerity
Condition Achieve max streak of 30 days11K
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 — Silver I
Condition Reached Silver I in Season 20201.3K