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Diamond IV
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iansongDiamond IV
iansong6
Diamond IV 234753 until Diamond III
1,357 Solved849 Contributions23 Reverse rivals
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Date Added# Unlocked UsersTier
  • You Win!
    Participate as a rated contestant in the Arena and increase your rating
    3.1K
  • Codemaster 2023
    Codemaster 2023
    Participated in the Codemaster 2023 by Songdo Highschool, or solved 1 or more problems in its open contest
    430
  • The Spy (2023)
    The Spy (2023)
    Participated in 2023 Inha University Programming Contest, or solved 1 or more problems in its open contest
    463
  • The 1st AGCU Cup
    The 1st AGCU Cup
    Solved 2 or more problems in the 1st AGCU Cup
    530
  • Creator of Balance - Bronze
    Creator of Balance - Bronze
    Achieve a rating of 30 or higher for all 8 tags displayed on the profile
    33K
  • Guardian of Balance - Silver
    Guardian of Balance - Silver
    Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
    54K
  • Creator of Balance - Silver
    Creator of Balance - Silver
    Achieve a rating of 200 or higher for all 8 tags displayed on the profile
    5.2K
  • Guardian of Balance - Gold
    Guardian of Balance - Gold
    Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
    12K
  • Guardian of Balance - Bronze
    Guardian of Balance - Bronze
    Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags
    105K
  • Master of Balance - Bronze
    Master of Balance - Bronze
    Of the 8 tags displayed on the profile, achieve a rating of over 30 for 6 or more tags
    78K
  • Master of Balance - Gold
    Master of Balance - Gold
    Of the 8 tags displayed on the profile, achieve a rating of over 800 for 6 or more tags
    5.1K
  • Creator of Balance - Gold
    Creator of Balance - Gold
    Achieve a rating of 800 or higher for all 8 tags displayed on the profile
    967
  • Guardian of Balance - Platinum
    Guardian of Balance - Platinum
    Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 4 or more tags
    1.1K
  • A yellow badge with a blue ribbon that seems to fit somewhere (2023)
    A yellow badge with a blue ribbon that seems to fit somewhere (2023)
    Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST
    1.2K
  •  Dress Rehearsal (2023)
    Dress Rehearsal (2023)
    Achieved a score of over 41 in the Dress Rehearsal
    441
  • The 2nd MatKor Cup : 2023 Winter
    The 2nd MatKor Cup : 2023 Winter
    Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
    473
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.7K
  • 12345