배경 없음
Platinum IV
Problems
C+
Arena
baekj0on1o28Platinum IV
baekj0on1o285
Platinum IV 1789111 until Platinum III
961 Solved43 Contributions10 Reverse rivals
Sort
Date Added# Unlocked UsersTier
  • Guardian of Balance - Silver
    Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
    54K
  • 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
  • Creator of Balance - Silver
    Creator of Balance - Silver
    Achieve a rating of 200 or higher for all 8 tags displayed on the profile
    5.1K
  • Not a Robot
    Not a Robot
    Met a developer of solved.ac at an event hosted or sponsored by solved.ac with 20+ participants
    555
  • 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
  • Professional Problem-solver
    Professional Problem-solver
    Solve 500 problems
    6.5K
  • Skilled Problem-solver
    Skilled Problem-solver
    Solve 200 problems
    31K
  • Apprentice Problem-solver
    Apprentice Problem-solver
    Solve 100 problems
    65K
  • Beginner Problem-solver
    Beginner Problem-solver
    Solve 50 problems
    104K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    149K
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • Level 8 Sprout
    Level 8 Sprout
    Solved problems for 256 days in a row
    1.6K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    3.4K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    6.6K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • Level 4 Sprout
    Level 4 Sprout
    Solved problems for 16 days in a row
    19K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    36K
  • 123