Problems
Arena
UCPC 2020
Condition Participated in UCPC 2020 Finals354
SUAPC 2020
Condition Participated in SUAPC 202081
Sogang Programming Contest 2020
Condition Participated in Sogang Programming Contest 202036
SUAPC 2021w
Condition Participated in SUAPC 2021 Winter82
Season 2020 — Diamond IV
Condition Reached Diamond IV in Season 202073
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
UCPC 2021
Condition Participated in UCPC 2021426
SUAPC 2021s
Condition Participated in SUAPC 2021 Summer92
Recycling Campaign
There were fruits that were achieved, and resolutions that were not fulfilled
Condition Participated in SUAPC 2021 Summer92
ICPC World Finals Moscow
Condition Participated in ICPC World Finals Moscow Cheering Event601
Sogang Programming Contest 2021
Be as proud of Sogang as Sogang is proud of you.
Condition Participated in Sogang Programming Contest 202146
On the Way to Work
Wanna take the bus to the otherworldly?
Condition Participated in Sogang Programming Contest 2021, or its Open Contest132
Good Bye, BOJ 2021!
Good Bye, 2021!
Condition Solved 1 or more problems in Good Bye, BOJ 2021!646
SUAPC 2022w
Condition Participated in SUAPC 2022 Winter193
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, 20226.5K
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
Season 2021 — Diamond I
Condition Reached Diamond I in Season 202157
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
SUAPC 2022s
Condition Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest272
2022 IGRUS Newbie Programming Contest
Condition Participated in 2022 IGRUS Newbie Programming Contest, or solved 1 or more problems in its open contest295