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Diamond IV
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dlguq0107Diamond IV
dlguq01077
Diamond IV 233070 until Diamond III
978 Solved22 Reverse rivals
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Date Added# Unlocked UsersTier
  • The 1st hjroh Cup (2023)
    Solved 1 or more problems in the 1st hjroh Cup
    255
  • 2023 ICPC Sinchon Winter Algorithm Camp Contest
    2023 ICPC Sinchon Winter Algorithm Camp Contest
    Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
    325
  • SUAPC 2023w
    SUAPC 2023w
    Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
    380
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • Professional Problem-solver
    Solve 500 problems
    5.4K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    26K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    57K
  • Beginner Problem-solver
    Solve 50 problems
    92K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    133K
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • Warmth in the Snow (2022)
    Warmth in the Snow (2022)
    Solved 1 or more problems in the Invitation of the Winter Forest
    462
  • SUAPC 2022s
    SUAPC 2022s
    Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
    272
  • Sinchon Station (2022)
    Sinchon Station (2022)
    Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
    388
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    67K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    108K
    • 123