배경 없음
Ruby V
Problems
S+
Arena
knon0501Ruby V
knon05019
Ruby V 27955 until Ruby IV
1,589 Solved351 Contributions17 Reverse rivals
Sort
Date Added# Unlocked UsersTier
  • Master of Balance - Gold
    Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
    5K
  • Guardian of Balance - Platinum
    Guardian of Balance - Platinum
    Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
    1.1K
  • Master of Balance - Platinum
    Master of Balance - Platinum
    Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
    437
  • Creator of Balance - Bronze
    Creator of Balance - Bronze
    Achieve a rating of 30 or higher for all 8 tags displayed on the profile
    32K
  • Creator of Balance - Platinum
    Creator of Balance - Platinum
    Achieve a rating of 1600 or higher for all 8 tags displayed on the profile
    228
  • Not a Robot
    Not a Robot
    Met a developer of solved.ac at an event hosted or sponsored by solved.ac with 20+ participants
    555
  • 2023 UDPC
    2023 UDPC
    Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
    349
  • Spend 2023 with BOJ
    Spend 2023 with BOJ
    Solved 1 or more problems in Hello, BOJ 2023!
    290
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.6K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.4K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    30K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    103K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    148K
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • 2 Solves
    2 Solves
    Celebrated the 2nd anniversary of solved.ac
    9.7K
  • 123