Problems
Arena
시즌 2 플래티넘 1
Condition 시즌 2에 플래티넘 1 달성262
Full Binary Christmas Tree
Condition Reach level 4 or deeper on the deepest ornament card in the Make a Tree event, 20221.1K
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
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
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871
The 1st Chocolate Cup
Condition Solved 1 or more problems in the 1st Chocolate Cup192
2022 IGRUS Newbie Programming Contest
Condition Participated in 2022 IGRUS Newbie Programming Contest, or solved 1 or more problems in its open contest295
SUAPC 2022s
Condition Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest272
Red Periscope
The famous Red Periscope of Sinchon.
Condition Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest389
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
Midsummer Memories
Condition Achieve a score of over 1,800 in the Postcard Decoration Event 20221.4K
UCPC 2022
Condition Participated in UCPC 2022, or in its open contest996
Season 2021 — Platinum V
Condition Reached Platinum V in Season 20211.5K
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)4.1K
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)8K
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, 20225.2K