Boardgame Cup (2023) Solved 1 or more problems in Boardgame Cup
584
Professional Problem-solver Solve 500 problems
5.4K
Skilled Problem-solver Solve 200 problems
26K
Apprentice Problem-solver Solve 100 problems
57K
Beginner Problem-solver Solve 50 problems
92K
Newbie Problem-solver Solve 10 problems
133K
2022 1st Calculus, Probability, and Statistics Cup Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
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
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
Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest