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Ruby II
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TAMREFRuby II
TAMREF9
Ruby II 290248 until Ruby I
1,626 Solved220 Contributions14 Reverse rivals
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Date Added# Unlocked UsersTier
  • Beta Contributor
    Beta Contributor
    Contributed once or more between July 13, 2019 and June 4, 2020
    442
  • UCPC 2020 Finals
    UCPC 2020 Finals
    Participated in UCPC 2020 Finals
    361
  • 2020 with BOJ
    2020 with BOJ
    Solved problem A within the competition time of Good Bye, BOJ 2020!
    337
  • Semi-Game Cup 2 (2021)
    Semi-Game Cup 2 (2021)
    Solved 1 or more problems in Semi-Game Cup 2
    108
  • Orange (2021)
    Orange (2021)
    Solved 1 or more problems in the Orange Cup
    115
  • Level 1 Sprout
    Solved problems for 2 days in a row
    116K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    73K
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • Spend 2022 with BOJ
    Spend 2022 with BOJ
    Solved 1 or more problems in Hello, BOJ 2022!
    367
  • IamCoder 2021 Year-end Contest
    IamCoder 2021 Year-end Contest
    Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
    170
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • Semi-Game Cup 3 (2022)
    Semi-Game Cup 3 (2022)
    Solved 1 or more problems in Semi-Game Cup 3
    170
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    142K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    98K
  • Apprentice Problem-solver
    Solve 100 problems
    61K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    29K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    5.9K
  • 1-Star Problem-solving Technician
    Solve 1,000 problems
    1.5K
  • Spend 2023 with BOJ
    Spend 2023 with BOJ
    Solved 1 or more problems in Hello, BOJ 2023!
    290
    • 123