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Ruby V 270595 until Ruby IV

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1,677 Solved116 Contributions29 Reverse rivals
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Date Added# Unlocked UsersTier
  • 2023 KSA Automata Winter Contest
    Achieved a score of over 100 in the 2023 KSA Automata Winter Contest
    362
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • 1-Star Problem-solving Technician
    Solve 1,000 problems
    1.6K
  • Professional Problem-solver
    Solve 500 problems
    6.3K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    30K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • Beginner Problem-solver
    Solve 50 problems
    103K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    148K
  • 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
  • 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
  • 2022 Seoul Cyber University Programming Contest
    2022 Seoul Cyber University Programming Contest
    Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
    339
  • The 9th Hanyang University Programming Contest
    The 9th Hanyang University Programming Contest
    Participated in the 9th Hanyang University Programming Contest, or solved 1 or more problems in its open contest
    284
  • 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
  • The 1st Chocolate Cup (2022)
    The 1st Chocolate Cup (2022)
    Solved 1 or more problems in the 1st Chocolate Cup
    191
  • Level 8 Sprout
    Level 8 Sprout
    Solved problems for 256 days in a row
    1.6K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    3.4K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    6.5K
    • 13456