关键码序列为30,77,57,12,25,86，建立的初始大根堆是
A.77,30,57,12,25,86 B.86,77,57,12,25,30 C.86,77,57,30,25,12 D.86,57,77,25,30,12正确答案B
关键码序列为30,77,57,12,25,86，建立的初始大根堆是
A.77,30,57,12,25,86 B.86,77,57,12,25,30 C.86,77,57,30,25,12 D.86,57,77,25,30,12正确答案B
