Problems
Arena
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
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
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
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
104K
Java
Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
38K