solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
osier_star
Ruby V
2700
100 until Ruby IV
MyHead.empty() == True
Pro User
1,657
Solved
43
Contributions
24
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
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 shop
1.5K
30 Days of Sincerity
Condition
Achieve max streak of 30 days
13K
100 Days of Consistency
Condition
Achieve max streak of 100 days
4.6K
All Solve! — Bronze V
Condition
Solved every Bronze V problem after November 30th, 2021
2.5K
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 shop
2.9K
200 Days of Diligence
Condition
Achieve max streak of 200 days
2.3K
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, 2022
6.8K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition
(Hidden)
10K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition
(Hidden)
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, 2022
9.7K
Season 2021 — Bronze V
Condition
Reached Bronze V in Season 2021
4.2K
365 Days of Brilliance
Condition
Achieve max streak of 365 days
1.2K
Midsummer Memories
Condition
Achieve a score of over 1,800 in the Postcard Decoration Event 2022
1.4K
IOI 2022 Indonesia
Condition
Participated in the Cheering Event of IOI 2022 Korean Representatives
1.5K
ICPC World Finals Dhaka
Condition
Participated in ICPC World Finals Dhaka Cheering Event
871
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 Forest
466
2022 Seoul Cyber University Programming Contest
Condition
Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
340
2022 1st Calculus, Probability, and Statistics Cup
Condition
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
360
Black and White
Life, like backgammon, is constant decision-making under uncertainty.
Condition
Solved 3 or more problems in the Boardgame Cup
481
꿈과 희망의 수호자 마법소녀
마법소녀는 모두의 꿈과 희망을 이루어주는 존재입니다.
Condition
아니메컵 1쿨에 출전해 1문제 이상 해결
636
1
2
3
5