Problems
Arena
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
106K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
152K
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
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3.5K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
6.7K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
12K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
20K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
37K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
79K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
125K