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Gold I
ProblemsC
Arena
cg456456Gold I
cg4564563
Gold I 1500100 until Platinum V
885 Solved4 Reverse rivals
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Date Added# Unlocked UsersTier
  • Apprentice Problem-solver
    Solve 100 problems
    57K
  • Beginner Problem-solver
    Solve 50 problems
    92K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    133K
  • Christmas Gift (2022)
    Christmas Gift (2022)
    Earn at least 5 gifts from the Make a Tree event, 2022
    725
  • 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
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • 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
    68K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    108K
  • UCPC 2021
    UCPC 2021
    Participated in UCPC 2021
    425
    • 12