Problems
Arena
1 Solve
Celebrated the 1st anniversary of solved.ac
Celebrated the 1st anniversary of solved.ac
5K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
121K
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
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
148K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
103K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
65K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
30K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
6.3K
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.6K
The 2nd MatKor Cup : 2023 Winter
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
362
AI Network Scholarium I - 1 Solve
Solved 1 or more problems in AI Network Scholarium I
Solved 1 or more problems in AI Network Scholarium I
118
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
53K
Master of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
32K
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
5K
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
11K
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
4.9K
Creator of Balance - Gold
Achieve a rating of 800 or higher for all 8 tags displayed on the profile
Achieve a rating of 800 or higher for all 8 tags displayed on the profile
945
Guardian of Balance - Platinum
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
1K
Master of Balance - Platinum
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
434