solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
city
Diamond IV
2336
64 until Diamond III
witch.work
1,925
Solved
33
Contributions
59
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
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
Merry Christmas 2021
Solved a problem in Christmas or Christmas Eve 2021
Condition
Solve 1 or more previously unsolved problems between 6:00 AM on December 24, 2021 and 6:00 AM on December 26, 2021
3.5K
:blobhanbyeol:
Just take my money and show me a way to reach Expert
Condition
Solved 2 or more problems in the 1st Blob Cup
239
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
Real Final Ghudegy Cup 2 2
Please make a poster 2 (I won't)
Condition
Solved uncountable problem in Real Final Ghudegy Cup 2 2
754
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 2
754
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition
(Hidden)
5K
Goms Party
Condition
Solved 1 or more problems in the 1st Gomgom Cup
591
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 — Platinum II
Condition
Reached Platinum II in Season 2021
237
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
Good Game Well Played
Competitive programming is a game. The Semi-Game Cup is a CP competition. The Semi-Game Cup is therefore a game competition.
Condition
Solved 1 or more problems in Semi-Game Cup 3
171
IOI 2022 Indonesia
Condition
Participated in the Cheering Event of IOI 2022 Korean Representatives
1.5K
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 contest
389
Chung-Ang University Programming Contest 2022
Condition
Participated in Chung-Ang University Programming Contest 2022, or solved 2 or more problems in its open contest
218
Sogang Programming Contest 2022
Be as proud of Sogang as Sogang is proud of you.
Condition
Participated in Sogang Programming Contest 2022
292
1
2
3