Problems
Arena
21st National Assembly Election (2020)
Solved the 21st National Assembly Election problem (#18891) by April 21, 2020
Solved the 21st National Assembly Election problem (#18891) by April 21, 2020
56
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
108K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
68K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
31K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
16K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
9.7K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.6K
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
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
133K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
92K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
57K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
26K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.4K
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.4K
Dress Rehearsal (2023)
Achieved a score of over 41 in the Dress Rehearsal
Achieved a score of over 41 in the Dress Rehearsal
441
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
4.3K
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
9.9K
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
4.1K