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Diamond IV
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hun3555Diamond IV
hun35556
Diamond IV 234159 until Diamond III
1,248 Solved45 Contributions12 Reverse rivals
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Date Added# Unlocked UsersTier
  • Professional Problem-solver
    Solve 500 problems
    6.4K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    31K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • 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
  • Christmas Gift (2022)
    Christmas Gift (2022)
    Earn at least 5 gifts from the Make a Tree event, 2022
    725
  • 9500-card (2022)
    9500-card (2022)
    Achieved 9,500 points in the Solved Blackjack Event, 2022
    435
  • 9900-card (2022)
    9900-card (2022)
    Achieved 9,900 points in the Solved Blackjack Event, 2022
    191
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
  • Hello, world! (2022)
    Hello, world! (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • Binary Game 2 (2022)
    Binary Game 2 (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • Spend 2022 with BOJ
    Spend 2022 with BOJ
    Solved 1 or more problems in Hello, BOJ 2022!
    367
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • 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
    6.6K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • 1234