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Platinum V
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hgchang1Platinum V
hgchang15
Platinum V 1636114 until Platinum IV
819 Solved4 Contributions
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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
    76K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    35K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    3.4K
  • The 1st Blob Cup (2022)
    The 1st Blob Cup (2022)
    Solved 1 or more problems in the 1st Blob Cup
    317
  • 16silver (2022)
    16silver (2022)
    Solved 1 or more problems in the 1st Silver Cup
    125
  • Binary Game 2 (2022)
    Binary Game 2 (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • Hello, world! (2022)
    Hello, world! (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
  • ★★Twenty-two Stars★★ (2022)
    ★★Twenty-two Stars★★ (2022)
    Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    1K
  • 2 Solves
    2 Solves
    Celebrated the 2nd anniversary of solved.ac
    9.7K
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • 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
    6.3K
  • 12