假定對元素序列(7,3,5,9,1,12)進行堆排序,並且采用小根堆,則由初始數據構成的初始堆為()
A.1,3,5,7,9,12
B.1,3,5,9,7,12
C.1,5,3,7,9,12
D.1,5,3,9,12,7
正確答案:1,3,5,9,7,12
假定對元素序列(7,3,5,9,1,12)進行堆排序,並且采用小根堆,則由初始數據構成的初始堆為()
A.1,3,5,7,9,12
B.1,3,5,9,7,12
C.1,5,3,7,9,12
D.1,5,3,9,12,7
正確答案:1,3,5,9,7,12