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Platinum IV
Problems
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gyoseon123Platinum IV
gyoseon1235
Platinum IV 180199 until Platinum III
994 Solved38 Contributions11 Reverse rivals
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Date Added# Unlocked UsersTier
  • SUAPC 2023w
    Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
    380
  • Anime Cup (2023)
    Anime Cup (2023)
    Solved 1 or more problems in Anime Cup Season 1 or 2
    766
  • 2023 KSA Automata Winter Contest
    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
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    26K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    57K
  • 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
  • Summer Postcard Decoration: Top 1,000 (2022)
    Summer Postcard Decoration: Top 1,000 (2022)
    Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
    884
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    2.7K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    5.5K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    9.6K
  • Level 4 Sprout
    Level 4 Sprout
    Solved problems for 16 days in a row
    16K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    31K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    67K
  • 123