3×5, 5×7, 7×11, 11×13, 13×17, ( )

A:17×23 B:17×19 C:17×21 D:17×25

5,7,3,3,25,( )。

A:25 B:2 C:47 D:17

5,17,21,25,( )

A:25 B:29 C:32 D:41

设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排序,采用初始增量为4的希尔排序法,一趟扫描后的结果为

A:(15,2,4,18,16,5,8,24,17,9,13,25) B:(2,9,4,25,15,16,13,18,17,5,8,24) C:(9,4,16,15,2,13,18,17,5,8,24,25) D:(9,16,4,25,2,5,13,18,5,17,8,24)

设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排序,采用直接选择排序法,一趟扫描后的结果为( )。

A:(15,2,4,18,16,5,8,24,17,9,13,25) B:(2,9,4,25,15,16,13,18,17,5,8,24) C:(9,4,16,15,2,13,18,17,5,8,24,25) D:(9,16,4,25,2,15,13,18,5,17,8,24)

设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排序,采用初始增量为4的希尔排序法,一趟扫描后的结果为________。

A:(15,2,4,18,16,5,8,24,17,9,13,25) B:(2,9,4,25,15,16,13,18,17,5,8,24) C:(9,4,16,15,2,13,18,17,5,8,24,25) D:(9,16,4,25,2,15,13,18,5,17,8,24)

设有关键码序列(16,9,4,25,15,2,13,18,17,5,8,24),要按关键码值递增的次序排序,采用初始增量为4的希尔排序法,一趟扫描后的结果为______。

A:(15,2,4,18,16,5,8,24,17,9,13,25) B:(2,9,4,25,15,16,13,18,17,5,8,24) C:(9,4,16,15,2,13,18,17,5,8,24,25) D:(9,16,4,25,2,15,13,18,5,17,8,24)

1/4, 2/5, 5/7, 1, 17/14, ( )

A:25/17 B:26/17 C:25/19 D:26/19

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