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Diamond IV
ProblemsUnrated
Arena
dicohy27Diamond IV
dicohy277
Diamond IV 23919 until Diamond III

19 정재현

1,038 Solved39 Contributions13 Reverse rivals
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Date Added# Unlocked UsersTier
  • Beta Contributor
    Beta Contributor
    Contributed once or more between July 13, 2019 and June 4, 2020
    442
  • UCPC 2020 Finals
    UCPC 2020 Finals
    Participated in UCPC 2020 Finals
    361
  • Sinchon Station (2020)
    Sinchon Station (2020)
    Participated in SUAPC 2020
    80
  • 2020 with BOJ
    2020 with BOJ
    Solved problem A within the competition time of Good Bye, BOJ 2020!
    337
  • 1 Solve
    Celebrated the 1st anniversary of solved.ac
    5K
  • UCPC 2021
    UCPC 2021
    Participated in UCPC 2021
    425
  • Orange (2021)
    Orange (2021)
    Solved 1 or more problems in the Orange Cup
    115
  • SUAPC 2021s
    SUAPC 2021s
    Participated in SUAPC 2021 Summer
    92
  • Level 1 Sprout
    Solved problems for 2 days in a row
    121K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    77K
  • Level 3 Sprout
    Level 3 Sprout
    Solved problems for 8 days in a row
    35K
  • Level 4 Sprout
    Solved problems for 16 days in a row
    19K
  • Level 5 Sprout
    Level 5 Sprout
    Solved problems for 32 days in a row
    11K
  • Level 6 Sprout
    Level 6 Sprout
    Solved problems for 64 days in a row
    6.5K
  • Level 7 Sprout
    Level 7 Sprout
    Solved problems for 128 days in a row
    3.4K
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • SUAPC 2022w
    SUAPC 2022w
    Participated in SUAPC 2022 Winter
    190
  • UCPC 2022
    UCPC 2022
    Participated in UCPC 2022, or its open contest
    991
  • SUAPC 2022s
    SUAPC 2022s
    Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
    272
  • Newbie Problem-solver
    Newbie Problem-solver
    Solve 10 problems
    148K
    • 123