solved.ac
Problems
Contribute
Arena
Rankings
Sign in
Problems
Arena
ktw020406
Diamond III
2438
62 until Diamond II
?
1,400
Solved
5
Reverse rivals
Overview
History
Solved
Contributions
Badges
Backgrounds
All
Achievement
Arena
Season
Event
Contest
Sort
Date Added
# Unlocked Users
Tier
1 Solve
Celebrated the 1st anniversary of solved.ac
5K
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
Level 8 Sprout
Solved problems for 256 days in a row
1.6K
Level 9 Sprout
Solved problems for 512 days in a row
599
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
2 Solves
Celebrated the 2nd anniversary of solved.ac
9.7K
UCPC 2022
Participated in UCPC 2022, or its open contest
991
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
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
1
2