Problems
Arena
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.6K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
6.3K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
30K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
65K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
103K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
148K
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
Sogang Programming Contest 2022
Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
292
SUAPC 2022s
Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
272
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991
2022 Sogang University Freshman Cup
Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
335
★★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
SUAPC 2022w
Participated in SUAPC 2022 Winter
Participated in SUAPC 2022 Winter
190
The 1st Blob Cup (2022)
Solved 1 or more problems in the 1st Blob Cup
Solved 1 or more problems in the 1st Blob Cup
317
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
Sogang Programming Contest 2021
Participated in Sogang Programming Competition 2021
Participated in Sogang Programming Competition 2021
46
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.6K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3.4K