Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
The 9th Hanyang University Programming Contest Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
2022 1st Calculus, Probability, and Statistics Cup Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
Boardgame Cup (2023) Solved 1 or more problems in Boardgame Cup
584
The 2nd MatKor Cup : 2023 Winter Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
Anime Cup (2023) Solved 1 or more problems in Anime Cup Season 1 or 2
766
Spend 2023 with BOJ Solved 1 or more problems in Hello, BOJ 2023!
290
SUAPC 2023w Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
380
2023 ICPC Sinchon Winter Algorithm Camp Contest Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
325
The 1st hjroh Cup (2023) Solved 1 or more problems in the 1st hjroh Cup
255
2023 Chung-Ang University CHAC Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest