Problems
Arena
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
100K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
145K
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
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 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
18K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
34K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
75K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
118K
2020 with BOJ
Solved problem A within the competition time of Good Bye, BOJ 2020!
Solved problem A within the competition time of Good Bye, BOJ 2020!
337