Problems
Arena
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
555
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
33K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
70K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
110K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
158K
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
★★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
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
83K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
131K