Problems
Arena
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
28K
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
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
777
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
912
Not a Robot
Met a developer of solved.ac at an event hosted or sponsored by solved.ac with 20+ participants
Met a developer of solved.ac at an event hosted or sponsored by solved.ac with 20+ participants
459
2023 UDPC
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
349
2023 Chung-Ang University CHAC
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
Spend 2023 with BOJ
Solved 1 or more problems in Hello, BOJ 2023!
Solved 1 or more problems in Hello, BOJ 2023!
290
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
Solved 1 or more problems in Boardgame Cup
584
2-Star Problem-solving Technician
Solve 2,000 problems
Solve 2,000 problems
313
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.4K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.4K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
26K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
57K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
92K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
134K
SciOI 2022
Participated in SciOI 2022, or solved 1 or more problems in its open contest
Participated in SciOI 2022, or solved 1 or more problems in its open contest
226
Spent 2022 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2022!
Solved 1 or more problems in Good Bye, BOJ 2022!
606