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flappybird
Ruby II
2925
25 until Ruby I
Pro User
1,109
Solved
464
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32
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Achievement
Arena
Season
Event
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Date Added
# Unlocked Users
Tier
UCPC 2022
Participated in UCPC 2022, or its open contest
991
Semi-Game Cup 3 (2022)
Solved 1 or more problems in Semi-Game Cup 3
170
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
The 1st Chocolate Cup (2022)
Solved 1 or more problems in the 1st Chocolate Cup
191
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
462
2022 1st Calculus, Probability, and Statistics Cup
Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
IamCoder 2022 Year-end Contest
Participated in IamCoder 2022 Year-end Contest, or in its open contest
269
Spent 2022 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2022!
606
Newbie Problem-solver
Solve 10 problems
145K
Beginner Problem-solver
Solve 50 problems
100K
Apprentice Problem-solver
Solve 100 problems
63K
Skilled Problem-solver
Solve 200 problems
29K
Professional Problem-solver
Solve 500 problems
6.1K
1-Star Problem-solving Technician
Solve 1,000 problems
1.6K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
584
2023 KSA Automata Winter Contest
Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
362
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
766
Spend 2023 with BOJ
Solved 1 or more problems in Hello, BOJ 2023!
290
The 1st hjroh Cup (2023)
Solved 1 or more problems in the 1st hjroh Cup
255
2023 Chung-Ang University CHAC
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
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