Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
117K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
74K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
144K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
100K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
63K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
29K
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
100K
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
34K