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对数组[45, 31, 47, 50, 90, 78, 34

[单选题]
对数组[45, 31, 47, 50, 90, 78, 34]构建一个大顶堆, 则结果是:
  • [90, 50, 47, 78, 45, 31, 34]
  • [90, 45, 78, 50, 31, 34, 47]
  • [90, 50, 78, 45, 31, 47, 34]
  • [90, 47, 78, 50, 45, 31, 34]

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