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Platinum IV
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alstjr3060Platinum IV
alstjr30605
Platinum IV 18964 until Platinum III
1,009 Solved1 Contributions
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Date Added# Unlocked UsersTier
  • Java
    Java 8, Java 8 (OpenJDK), Java 11, Java 15 중 하나의 언어로 아무 문제나 해결
    11K
  • 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
    91K
  • 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
    47K
  • Master of Balance - Silver
    Master of Balance - Silver
    Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
    28K
  • 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
    9.8K
  • 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
    4.1K
  • 1-Star Problem-solving Technician
    1-Star Problem-solving Technician
    Solve 1,000 problems
    1.4K
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    5.4K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    26K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    56K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    91K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    132K
  • The 2nd Korea Aerospace University Programming Contest
    The 2nd Korea Aerospace University Programming Contest
    Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest
    164
  • Level 4 Sprout
    Level 4 Sprout
    Solved problems for 16 days in a row
    16K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    31K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    67K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    107K
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