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Ruby IV
ProblemsS+
Arena
jinhan814S+
jinhan814
S+1818
max.S+1818

https://blog.naver.com/jinhan814

2 Rounds Competed90 Reverse rivals
Sort
Arena#PerformanceRating BeforeRating AfterChange
  • GA4
    A19
    Div. 2
    solved.ac Grand Arena #4 (mirror of Grand Arena Party) — Division 2
    2/3/2024, 04:00UTC
    PerformanceSSS2540#6
    RatingA1245→S+1818↑573
  • A16
    SciOI 2023 Open Contest
    12/30/2023, 04:00UTC
    PerformanceSSS2445#24
    RatingUnrated0→A1245↑1245