Level 1 Sprout Solved problems for 2 days in a row
116K
Level 2 Sprout Solved problems for 4 days in a row
73K
Level 3 Sprout Solved problems for 8 days in a row
34K
Level 4 Sprout Solved problems for 16 days in a row
18K
Level 5 Sprout Solved problems for 32 days in a row
11K
Level 6 Sprout Solved problems for 64 days in a row
6.1K
Level 7 Sprout Solved problems for 128 days in a row
3.1K
Level 8 Sprout Solved problems for 256 days in a row
1.4K
Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
2022 Seoul Cyber University Programming Contest Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
Newbie Problem-solver Solve 10 problems
142K
Beginner Problem-solver Solve 50 problems
98K
Apprentice Problem-solver Solve 100 problems
61K
Skilled Problem-solver Solve 200 problems
29K
Professional Problem-solver Solve 500 problems
5.9K
Boardgame Cup (2023) Solved 1 or more problems in Boardgame Cup
584
The 1st hjroh Cup (2023) Solved 1 or more problems in the 1st hjroh Cup
255
2023 Chung-Ang University CHAC Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest