Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
2022 Seoul Cyber University Programming Contest Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
Newbie Problem-solver Solve 10 problems
149K
Beginner Problem-solver Solve 50 problems
104K
Apprentice Problem-solver Solve 100 problems
65K
Skilled Problem-solver Solve 200 problems
31K
Professional Problem-solver Solve 500 problems
6.5K
Boardgame Cup (2023) Solved 1 or more problems in Boardgame Cup
584
Anime Cup (2023) Solved 1 or more problems in Anime Cup Season 1 or 2