• 2022-06-07
    假定对元素序列(7,3,5,9,1,12)进行堆排序,并且采用小根堆,则由初始数据构成的初始堆为()
    A: 1,3,5,9,7,12
    B: 1,5,3,7,9,12
    C: 1,5,3,9,12,7
    D: 1,3,5,7,9,12
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