Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
113K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
71K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
33K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
17K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
10K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.9K
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
★★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
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
139K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
96K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
60K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
28K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.7K
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.5K
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
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
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
49K