Problems
Arena
Season 2020 — Gold V
Condition Reached Gold V in Season 20201.4K
EtvycAuRLZpb6hhe86x0
Condition Participated in EtvycAuRLZpb6hhe86x0102
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
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event601
100 Days of Consistency
Condition Achieve max streak of 100 days4.1K
TRICK|TREAT 2021
Solved a problem in Halloween 2021
Condition Solved previously unsolved problem at between October 31st, 2021 06:00 and November 1st, 2021 06:00 (KST)2.6K
All Solve! — Bronze V
Condition Solved every Bronze V problem after November 30th, 20212.3K
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 shop2.6K
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, 20213.5K
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
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, 20225.9K
Green Matrix Grid: Dark Mode
More epic green matrix grid
Condition (Hidden)9.2K
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.5K
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
Season 2021 — Platinum V
Condition Reached Platinum V in Season 20211.5K
IOI 2022 Indonesia
Condition Participated in the Cheering Event of IOI 2022 Korean Representatives1.5K
SUAPC 2022s
Condition Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest272
ICPC World Finals Dhaka
Condition Participated in ICPC World Finals Dhaka Cheering Event871