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ProblemsUnrated
Arena
kongsun88Unrated
kongsun880
Unrated 264 until Bronze V
14 Solved1 Reverse rivals
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Date Added# Unlocked UsersTier
  • Newbie Problem-solver
    Solve 10 problems
    145K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    75K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    118K
    • 1