Level 1 Sprout Solved problems for 2 days in a row
123K
Level 2 Sprout Solved problems for 4 days in a row
78K
Level 3 Sprout Solved problems for 8 days in a row
36K
Level 4 Sprout Solved problems for 16 days in a row
19K
Level 5 Sprout Solved problems for 32 days in a row
11K
Level 6 Sprout Solved problems for 64 days in a row
6.6K
Level 7 Sprout Solved problems for 128 days in a row
3.4K
Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
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
149K
Beginner Problem-solver Solve 50 problems
104K
Apprentice Problem-solver Solve 100 problems
65K
Skilled Problem-solver Solve 200 problems
31K
Professional Problem-solver Solve 500 problems
6.5K
Boardgame Cup (2023) Solved 1 or more problems in Boardgame Cup
584
The 2nd MatKor Cup : 2023 Winter Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
Anime Cup (2023) Solved 1 or more problems in Anime Cup Season 1 or 2
766
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
325
The 1st hjroh Cup (2023) Solved 1 or more problems in the 1st hjroh Cup