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
459
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
91K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
133K
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
9500-card (2022)
Achieved 9,500 points in the Solved Blackjack Event, 2022
Achieved 9,500 points in the Solved Blackjack Event, 2022
435
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
★★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
Spend 2022 with BOJ
Solved 1 or more problems in Hello, BOJ 2022!
Solved 1 or more problems in Hello, BOJ 2022!
367
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
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
67K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
107K
1 Solve
Celebrated the 1st anniversary of solved.ac
Celebrated the 1st anniversary of solved.ac
5K
2020 with BOJ
Solved problem A within the competition time of Good Bye, BOJ 2020!
Solved problem A within the competition time of Good Bye, BOJ 2020!
337