Problems
Arena
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 shop1.4K
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
30 Days of Sincerity
Condition Achieve max streak of 30 days11K
100 Days of Consistency
Condition Achieve max streak of 100 days4.2K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.3K
All Solve! — Bronze IV
Condition Solved every Bronze IV problem after November 30th, 2021541
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 shop2.7K
200 Days of Diligence
Condition Achieve max streak of 200 days2K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)9.3K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.5K
Season 2021 — Silver IV
Condition Reached Silver IV in Season 20215.4K
365 Days of Brilliance
Condition Achieve max streak of 365 days967
The 1st Chocolate Cup
Condition Solved 1 or more problems in the 1st Chocolate Cup192
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871
Sogang Programming Contest 2022
Be as proud of Sogang as Sogang is proud of you.
Condition Participated in Sogang Programming Contest 2022292
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
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
2022 Seoul Cyber University Programming Contest
Condition Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest340
Full Binary Christmas Tree
Condition Reach level 4 or deeper on the deepest ornament card in the Make a Tree event, 20221.1K
Black and White
Life, like backgammon, is constant decision-making under uncertainty.
Condition Solved 3 or more problems in the Boardgame Cup481