Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
108K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
68K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
31K
2022 Chung-Ang University Programming Contest
Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
261
Gomgom Silver Award (2022)
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
553
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
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
Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
134K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
92K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
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
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
Solved 1 or more problems in Anime Cup Season 1 or 2
766
(2023)
Achieved a score of over 0 in
Achieved a score of over 0 in
577
Guardian of Balance - Bronze
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
92K
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
47K
Record of the Stars: Chapter 1
Participate as a rated contestant in the Arena
Participate as a rated contestant in the Arena
3.2K
You Win!
Participate as a rated contestant in the Arena and increase your rating
Participate as a rated contestant in the Arena and increase your rating
3.1K
2023 브실컵
2023 브실컵에 출전해 3문제 이상 해결
2023 브실컵에 출전해 3문제 이상 해결
491
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
17K