Problems
Arena
The 9th Hanyang University Programming Contest
Condition Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest284
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
The 2nd Korea Aerospace University Programming Contest
Condition Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest165
2022 IGRUS Newbie Programming Contest
Condition Participated in 2022 IGRUS Newbie Programming Contest, or solved 1 or more problems in its open contest295
Chung-Ang University Programming Contest 2022
Condition Participated in Chung-Ang University Programming Contest 2022, or solved 2 or more problems in its open contest218
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
UCPC 2022
Condition Participated in UCPC 2022, or in its open contest996
Inha University Programming Contest 2022
Condition Solved 1 or more problems in Inha University Programming Contest 2022, or in its open contest293
Season 2021 — Platinum IV
Condition Reached Platinum IV in Season 2021828
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
Goms Party
Condition Solved 1 or more problems in the 1st Gomgom Cup591
Sogang Freshman Programming Contest 2022
This problem is too easy. It is very trivial.
Condition Participated in 2022 Sogang University Freshman Contest, or solved more than 2 problems in its open contest336
Icons: Dark Mode
Icons in solved.ac, now in dark mode.
Condition (Hidden)4.1K
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, 20225.2K
200 Days of Diligence
Condition Achieve max streak of 200 days1.6K
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
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 shop2.4K
Pocky Day 2021
Solved a problem in Pocky day 2021
Condition Solved previously unsolved problem at between November 11th, 2021 06:00 and November 12th, 2021 06:00 (KST)3.3K
100 Days of Consistency
Condition Achieve max streak of 100 days3.5K