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Diamond IV
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chongin12Diamond IV
chongin127
Diamond IV 230991 until Diamond III

iOS 개발 공부중

1,947 Solved48 Contributions18 Reverse rivals
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Date Added# Unlocked UsersTier
  • 1-Star Problem-solving Technician
    Solve 1,000 problems
    1.4K
  • Professional Problem-solver
    Solve 500 problems
    5.6K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    27K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    58K
  • Beginner Problem-solver
    Solve 50 problems
    94K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    136K
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • 2 Solves
    2 Solves
    Celebrated the 2nd anniversary of solved.ac
    9.7K
  • ★★Seventeen Stars★★ (2022)
    ★★Seventeen Stars★★ (2022)
    Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
    2.1K
  • IamCoder 2021 Year-end Contest
    IamCoder 2021 Year-end Contest
    Participated in IamCoder 2021 Year-end Contest, or solved 1 or more problems in its open contest
    170
  • Spend 2022 with BOJ
    Spend 2022 with BOJ
    Solved 1 or more problems in Hello, BOJ 2022!
    367
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • Level 9 Sprout
    Level 9 Sprout
    Solved problems for 512 days in a row
    460
  • Level 8 Sprout
    Level 8 Sprout
    Solved problems for 256 days in a row
    1.3K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    2.9K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    5.7K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    9.9K
  • Level 4 Sprout
    Level 4 Sprout
    Solved problems for 16 days in a row
    17K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    32K
    • 123