Problems
Arena
Season 2020 — Bronze III
Condition Reached Bronze III in Season 20201K
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 days12K
100 Days of Consistency
Condition Achieve max streak of 100 days4.4K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.4K
All Solve! — Bronze IV
Condition Solved every Bronze IV problem after November 30th, 2021558
200 Days of Diligence
Condition Achieve max streak of 200 days2.1K
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
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)9.7K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.7K
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 — Platinum IV
Condition Reached Platinum IV in Season 2021828
365 Days of Brilliance
Condition Achieve max streak of 365 days1K
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871
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
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
신촌 가는 길
Condition 2023 ICPC Sinchon Winter Algorithm Camp Contest에 출전, 혹은 Open Contest에 출전해 한 문제 이상 해결326
최후의 가지
Condition 2023 가지컵에 출전해 한 문제 이상 해결335