Problems
Arena
2023 Chung-Ang University CHAC
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
The 1st hjroh Cup (2023)
Solved 1 or more problems in the 1st hjroh Cup
Solved 1 or more problems in the 1st hjroh Cup
255
2023 ICPC Sinchon Winter Algorithm Camp Contest
Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
325
SUAPC 2023w
Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
380
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
Solved 1 or more problems in Anime Cup Season 1 or 2
766
2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
362
The 2nd MatKor Cup : 2023 Winter
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.7K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
28K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
60K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
96K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
139K
GBS Coding Contest 2022
Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
292
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
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.4K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.9K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
10K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
17K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
33K