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Silver V
ProblemsUnrated
Arena
ketchup0211Silver V
ketchup02111
Silver V 23466 until Silver IV
65 Solved
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Date Added# Unlocked UsersTier
  • 제3회 고려대학교 MatKor Cup : 2023 Summer
    제3회 고려대학교 MatKor Cup : 2023 Summer 혹은 Open Contest Phase 1, Phase 2 중 하나 이상에 출전
    490
  • Beginner Problem-solver
    Solve 50 problems
    92K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    134K
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    108K
    • 1