Problems
Arena
시즌 2 플래티넘 4
Condition 시즌 2에 플래티넘 4 달성1.3K
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
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
Season 2021 — Platinum IV
Condition Reached Platinum IV in Season 2021828
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 2754
Real Final Ghudegy Cup 2 2
Please make a poster 2 (I won't)
Condition Solved uncountable problem in Real Final Ghudegy Cup 2 2754
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
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
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
100 Days of Consistency
Condition Achieve max streak of 100 days3.5K
30 Days of Sincerity
Condition Achieve max streak of 30 days10K
UCPC 2021
Condition Participated in UCPC 2021426
Season 2020 — Platinum V
Condition Reached Platinum V in Season 2020406
UCPC 2020
Condition Participated in UCPC 2020 Finals354