Problems
Arena
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
57K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
92K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
134K
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
Christmas Gift (2022)
Earn at least 5 gifts from the Make a Tree event, 2022
Earn at least 5 gifts from the Make a Tree event, 2022
725
The 9th Hanyang University Programming Contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
284
Summer Postcard Decoration: Top 100 (2022)
Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022
98
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
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
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
2.7K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.6K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
9.7K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
16K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
31K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
68K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
108K
1 Solve
Celebrated the 1st anniversary of solved.ac
Celebrated the 1st anniversary of solved.ac
5K