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Ruby IV
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wbcho0504Ruby IV
wbcho05049
Ruby IV 280050 until Ruby III

하사 김동건!

3,599 Solved381 Contributions24 Reverse rivals
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  • AI Network Scholarium I - 1 Solve
    Solved 1 or more problems in AI Network Scholarium I
    118
  • 2022 shake!
    2022 shake!
    Participated in 2022 shake!, or solved 1 or more problems in its open contest
    208
  • 2023 Chung-Ang University CHAC
    2023 Chung-Ang University CHAC
    Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
    341
  • Spend 2023 with BOJ
    Spend 2023 with BOJ
    Solved 1 or more problems in Hello, BOJ 2023!
    290
  • Boardgame Cup (2023)
    Boardgame Cup (2023)
    Solved 1 or more problems in Boardgame Cup
    584
  • GBS Coding Contest 2022
    GBS Coding Contest 2022
    Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest
    292
  • SciOI 2022
    SciOI 2022
    Participated in SciOI 2022, or solved 1 or more problems in its open contest
    226
  • Spent 2022 with BOJ
    Spent 2022 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2022!
    606
  • IamCoder 2022 Year-end Contest
    IamCoder 2022 Year-end Contest
    Participated in IamCoder 2022 Year-end Contest, or in its open contest
    269
  • 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
  • 2022 Seoul Cyber University Programming Contest
    2022 Seoul Cyber University Programming Contest
    Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
    339
  • Warmth in the Snow (2022)
    Warmth in the Snow (2022)
    Solved 1 or more problems in the Invitation of the Winter Forest
    462
  • Sogang Programming Contest 2022
    Sogang Programming Contest 2022
    Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
    292
  • 2022 IGRUS Newbie Programming Contest
    2022 IGRUS Newbie Programming Contest
    Participated in 2022 IGRUS Newbie Programming Contest, or solved 1 or more problems in its open contest
    292
  • SUAPC 2022s
    SUAPC 2022s
    Participated in SUAPC 2022 Summer, or solved 1 or more problems in its open contest
    272
  • Sinchon Station (2022)
    Sinchon Station (2022)
    Participated in 2022 ICPC Sinchon Summer Algorithm Camp Contest, or solved 1 or more problems in its open contest
    388
  • 2022 Sogang University Freshman Cup
    2022 Sogang University Freshman Cup
    Participated in 2022 Sogang University Freshman Cup, or solved 2 or more problems in its open contest
    335
  • SUAPC 2022w
    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
  • 123