배경 없음
Diamond II
Problems
Unrated
Arena
stabilizer_hDiamond II
stabilizer_h6
Diamond II 256535 until Diamond I
497 Solved10 Contributions7 Reverse rivals
Sort
Date Added# Unlocked UsersTier
  • Apprentice Problem-solver
    Solve 100 problems
    66K
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    151K
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • 2022 1st Calculus, Probability, and Statistics Cup
    2022 1st Calculus, Probability, and Statistics Cup
    Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
    359
  • Christmas Gift (2022)
    Christmas Gift (2022)
    Earn at least 5 gifts from the Make a Tree event, 2022
    725
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    36K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    79K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    124K
  • UCPC 2021
    UCPC 2021
    Participated in UCPC 2021
    425
  • 12