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Diamond II
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sonjaewonDiamond II
sonjaewon7
Diamond II 25919 until Diamond I
2,125 Solved1,398 Contributions39 Reverse rivals
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Date Added# Unlocked UsersTier
  • Summer Postcard Decoration: Top 100 (2022)
    Achieved a rank of top 100 in the Summer Postcard Decoration event, 2022
    98
  • EtvycAuRLZpb6hhe86x0
    EtvycAuRLZpb6hhe86x0
    Solved problem A or similar within the competition time of EtvycAuRLZpb6hhe86x0
    102
  • Semi-Game Cup 2 (2021)
    Semi-Game Cup 2 (2021)
    Solved 1 or more problems in Semi-Game Cup 2
    108
  • Orange (2021)
    Orange (2021)
    Solved 1 or more problems in the Orange Cup
    115
  • Semi-Game Cup 3 (2022)
    Semi-Game Cup 3 (2022)
    Solved 1 or more problems in Semi-Game Cup 3
    170
  • SASA Programming Contest 2021
    SASA Programming Contest 2021
    Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
    172
  • 9900-card (2022)
    9900-card (2022)
    Achieved 9,900 points in the Solved Blackjack Event, 2022
    191
  • The 1st hjroh Cup (2023)
    The 1st hjroh Cup (2023)
    Solved 1 or more problems in the 1st hjroh Cup
    255
  • 2022 Chung-Ang University Programming Contest
    2022 Chung-Ang University Programming Contest
    Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
    261
  • The 1st Blob Cup (2022)
    The 1st Blob Cup (2022)
    Solved 1 or more problems in the 1st Blob Cup
    317
  • 2020 with BOJ
    2020 with BOJ
    Solved problem A within the competition time of Good Bye, BOJ 2020!
    337
  • Master of Balance - Platinum
    Master of Balance - Platinum
    Of the 8 tags displayed on the profile, achieve a rating of over 1600 for 6 or more tags
    352
  • Spend 2022 with BOJ
    Spend 2022 with BOJ
    Solved 1 or more problems in Hello, BOJ 2022!
    367
  • 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
  • 9500-card (2022)
    9500-card (2022)
    Achieved 9,500 points in the Solved Blackjack Event, 2022
    435
  • Spent 2021 with BOJ
    Spent 2021 with BOJ
    Solved 1 or more problems in Good Bye, BOJ 2021!
    644
  • Hello, world! (2022)
    Hello, world! (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • Binary Game 2 (2022)
    Binary Game 2 (2022)
    Solved uncountable problem in the Real Final Ghudegy Cup 2 2
    747
  • 123