Problems
Arena
AI Network Scholarium I - 1 Solve
Solved 1 or more problems in AI Network Scholarium I
Solved 1 or more problems in AI Network Scholarium I
118
Spend 2023 with BOJ
Solved 1 or more problems in Hello, BOJ 2023!
Solved 1 or more problems in Hello, BOJ 2023!
290
2-Star Problem-solving Technician
Solve 2,000 problems
Solve 2,000 problems
306
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
91K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
133K
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
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
The 9th Hanyang University Programming Contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
Solved 1 or more problems in the Invitation of the Winter Forest
462
Semi-Game Cup 3 (2022)
Solved 1 or more problems in Semi-Game Cup 3
Solved 1 or more problems in Semi-Game Cup 3
170
Top Contributor, Season 2021
Top 100 contributor by contributions count in the 2021 season
Top 100 contributor by contributions count in the 2021 season
100
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
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