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Diamond V
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kckyoung2Diamond V
kckyoung26
Diamond V 22946 until Diamond IV

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2,361 Solved243 Contributions49 Reverse rivals
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Date Added# Unlocked UsersTier
  • Level 1 Sprout
    Solved problems for 2 days in a row
    121K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    77K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    35K
  • Level 4 Sprout
    Solved problems for 16 days in a row
    19K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • Level 6 Sprout
    Solved problems for 64 days in a row
    6.5K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    3.4K
  • Level 8 Sprout
    Level 8 Sprout
    Solved problems for 256 days in a row
    1.6K
  • Level 9 Sprout
    Level 9 Sprout
    Solved problems for 512 days in a row
    574
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    148K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    103K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    30K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.4K
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.6K
  • 2-Star Problem-solving Technician
    2-Star Problem-solving Technician
    Solve 2,000 problems
    369
  • Anime Cup (2023)
    Anime Cup (2023)
    Solved 1 or more problems in Anime Cup Season 1 or 2
    766
  • SUAPC 2023w
    SUAPC 2023w
    Participated in SUAPC 2023 Winter, or solved 1 or more problems in its open contest
    380
  • 2023 ICPC Sinchon Winter Algorithm Camp Contest
    2023 ICPC Sinchon Winter Algorithm Camp Contest
    Participated in 2023 ICPC Sinchon Winter Algorithm Camp Contest, or solved 1 or more problems in its open contest
    325
  • 2023 Chung-Ang University CHAC
    2023 Chung-Ang University CHAC
    Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
    341
    • 123457