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kosnoa
Platinum V
1624
126 until Platinum IV
589
Solved
4
Contributions
14
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Achievement
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Event
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Date Added
# Unlocked Users
Tier
Level 1 Sprout
Solved problems for 2 days in a row
121K
Level 2 Sprout
Solved problems for 4 days in a row
77K
Level 3 Sprout
Solved problems for 8 days in a row
35K
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
6.5K
Level 7 Sprout
Solved problems for 128 days in a row
3.4K
Binary Game 2 (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
Hello, world! (2022)
Solved uncountable problem in the Real Final Ghudegy Cup 2 2
747
★★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
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
148K
Beginner Problem-solver
Solve 50 problems
103K
Apprentice Problem-solver
Solve 100 problems
65K
Skilled Problem-solver
Solve 200 problems
30K
Professional Problem-solver
Solve 500 problems
6.4K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
584
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
766
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