Problems
Arena
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
771
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
902
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
91K
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 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
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
56K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
91K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
132K
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
IamCoder 2022 Year-end Contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Summer Postcard Decoration: Top 100 (2022)
Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022
98
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
IamCoder 2021 Year-end Contest
Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
170
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