Problems
Arena
Beta Contributor
Contributed once or more between July 13, 2019 and June 4, 2020
Contributed once or more between July 13, 2019 and June 4, 2020
442
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
123K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
78K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
36K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
19K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
11K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
6.6K
SASA Programming Contest 2021
Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
172
Spent 2021 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2021!
Solved 1 or more problems in Good Bye, BOJ 2021!
644
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
149K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
104K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
65K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
31K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
6.5K
A yellow badge with a blue ribbon that seems to fit somewhere (2023)
Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST
Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST
1.2K
Creator of Balance - Silver
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
5.2K
Guardian of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
12K
Master of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
5K