Level 1 Sprout Solved problems for 2 days in a row
123K
Level 2 Sprout Solved problems for 4 days in a row
78K
Level 3 Sprout Solved problems for 8 days in a row
36K
Level 4 Sprout Solved problems for 16 days in a row
19K
Level 5 Sprout Solved problems for 32 days in a row
11K
Level 6 Sprout Solved problems for 64 days in a row
6.6K
Level 7 Sprout Solved problems for 128 days in a row
3.4K
Level 8 Sprout Solved problems for 256 days in a row
1.6K
Level 9 Sprout Solved problems for 512 days in a row
598
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
GBS Coding Contest 2022 Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
292
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
Spend 2023 with BOJ Solved 1 or more problems in Hello, BOJ 2023!
290
Guardian of Balance - Bronze Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags