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Gold I
1509
91 until Platinum V
199
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Achievement
Arena
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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
122K
Level 2 Sprout
Solved problems for 4 days in a row
77K
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
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
Chicken Dance (2022)
Solved 1 or more problems in the 1st Gomgom Cup · © Hana Kim
586
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
Gomgom Silver Award (2022)
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
553
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
462
Spent 2022 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2022!
606
Newbie Problem-solver
Solve 10 problems
149K
Beginner Problem-solver
Solve 50 problems
103K
Apprentice Problem-solver
Solve 100 problems
65K
Dress Rehearsal (2023)
Achieved a score of over 41 in the Dress Rehearsal
441
Creator of Balance - Bronze
Achieve a rating of 30 or higher for all 8 tags displayed on the profile
33K
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