Problems
Arena
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
110K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
158K
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
Top Contributor, Season 2021
Top 100 contributor by contributions count in the 2021 season
Top 100 contributor by contributions count in the 2021 season
100
UCPC 2022
Participated in UCPC 2022, or its open contest
Participated in UCPC 2022, or its open contest
991
2 Solves
Celebrated the 2nd anniversary of solved.ac
Celebrated the 2nd anniversary of solved.ac
9.7K
★★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
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Level 9 Sprout
Solved problems for 512 days in a row
Solved problems for 512 days in a row
681
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.8K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3.6K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
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
21K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
39K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
83K
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
131K