若用冒泡排序法对序列(18,14, 6, 27, 8,12,16, 52,l0, 26, 47, 29, 41, 24) 从小到大进行排序,共要进行( )次比较。
A. 33
B. 45
C. 70
D. 91 ·,
一组记录的关键字为(32, 41,15, 39, 77,12, 48, 30, 52),其中含有3 个长度为3的有序表,按归并排序的方法对该序列迸行一趟归并后的结果为( )
A. 15,32,41,12,39,77,30,48,52
B. 12,15,32,39,41,77,30,48,52
C. 12,15,32, 39,41,77,48,30,52
D. 12,15,30,32,39,41,48,52,77