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Ruby IV
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wbcho0504Ruby IV
wbcho05049
Ruby IV 280248 until Ruby III

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3,644 Solved390 Contributions24 Reverse rivals
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  • SUAPC 2022w
    Participated in SUAPC 2022 Winter
    190
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • Sogang Programming Contest 2021
    Sogang Programming Contest 2021
    Participated in Sogang Programming Competition 2021
    46
  • Level 3 Sprout
    Solved problems for 8 days in a row
    35K
  • Level 2 Sprout
    Level 2 Sprout
    Solved problems for 4 days in a row
    77K
  • Level 1 Sprout
    Level 1 Sprout
    Solved problems for 2 days in a row
    121K
  • SUAPC 2021s
    SUAPC 2021s
    Participated in SUAPC 2021 Summer
    92
  • UCPC 2021
    UCPC 2021
    Participated in UCPC 2021
    425
  • 1 Solve
    Celebrated the 1st anniversary of solved.ac
    5K
  • SUAPC 2021w
    SUAPC 2021w
    Participated in SUAPC 2021 Winter
    85
  • Sogang Programming Contest 2020
    Sogang Programming Contest 2020
    Participated in Sogang Programming Competition 2020
    44
  • Sinchon Station (2020)
    Sinchon Station (2020)
    Participated in SUAPC 2020
    80
  • UCPC 2020 Finals
    UCPC 2020 Finals
    Participated in UCPC 2020 Finals
    361
    • 1345