Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
111K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
70K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
32K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
137K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
94K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
59K
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
94K
The Spy (2023)
Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
463