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Ruby II
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dlalswp25Ruby II
dlalswp2510
Ruby II 293713 until Ruby I
1,989 Solved2 Contributions10 Reverse rivals
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Date Added# Unlocked UsersTier
  • A yellow badge with a blue ribbon that seems to fit somewhere (2023)
    Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST
    1.2K
  • Dress Rehearsal (2023)
    Dress Rehearsal (2023)
    Achieved a score of over 41 in the Dress Rehearsal
    441
  • AI Network Scholarium I - 4 Solves
    AI Network Scholarium I - 4 Solves
    Solved 4 or more problems in AI Network Scholarium I
    17
  • AI Network Scholarium I - 1 Solve
    AI Network Scholarium I - 1 Solve
    Solved 1 or more problems in AI Network Scholarium I
    118
  • Spend 2023 with BOJ
    Spend 2023 with BOJ
    Solved 1 or more problems in Hello, BOJ 2023!
    290
  • Anime Cup (2023)
    Anime Cup (2023)
    Solved 1 or more problems in Anime Cup Season 1 or 2
    766
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • 1-Star Problem-solving Technician
    Solve 1,000 problems
    1.7K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.5K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    31K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • Beginner Problem-solver
    Solve 50 problems
    104K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    149K
  • SciOI 2022
    SciOI 2022
    Participated in SciOI 2022, or solved 1 or more problems in its open contest
    226
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • IamCoder 2022 Year-end Contest
    IamCoder 2022 Year-end Contest
    Participated in IamCoder 2022 Year-end Contest, or in its open contest
    269
  • 2022 1st Calculus, Probability, and Statistics Cup
    2022 1st Calculus, Probability, and Statistics Cup
    Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
    359
  • Christmas Gift (2022)
    Christmas Gift (2022)
    Earn at least 5 gifts from the Make a Tree event, 2022
    725
  • Warmth in the Snow (2022)
    Warmth in the Snow (2022)
    Solved 1 or more problems in the Invitation of the Winter Forest
    462
  • Gomgom Silver Award (2022)
    Gomgom Silver Award (2022)
    Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
    553
    • 123456