Level 1 Sprout Solved problems for 2 days in a row
107K
Level 2 Sprout Solved problems for 4 days in a row
67K
Level 3 Sprout Solved problems for 8 days in a row
31K
UCPC 2022 Participated in UCPC 2022, or its open contest
991
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
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
Newbie Problem-solver Solve 10 problems
133K
Beginner Problem-solver Solve 50 problems
91K
The 2nd MatKor Cup : 2023 Winter Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
2023 Sogang University Freshman Cup Participated in 2023 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
363
Guardian of Balance - Bronze Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
91K
Guardian of Balance - Silver Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags