[单项选择]设有关键码序列(7,32,16,49,57,6,21,95,78,20,4,62),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. (7,6,4,49,57,20,16,62,78,32,21,95) B. (4,6,49,20,57,78,62,21,7,95,32,16) C. (4,6,7,16,32,20,57,62,78,95,49,21) D. (4,6,49,95,78,62,7,20,21,32,57,16)
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[单项选择]设有关键码序列(66,13,51,76,81,26,57,69,23),要按关键码值递增的次序排序,若采用快速排序法,并以第一个元素为划分的基准,那么第一趟划分后的结果为( )。 A. 23,13,51,57,66,26,81,69,76 B. 13,23,26,51,57,66,81,76,69 C. 23,13,51,57,26,66,81,69,76 D. 23,13,51,57,81,26,66,69,76
[单项选择]设有关键码序列(66,13,51,76,8l,26,57,69,23),要按关键码值递增的次序排序,若采用快速排序法,并以第一个元素为划分的基准,那么第一趟划分后的结果为( )。 A. 23,13,51,57,66,26,81,69,76 B. 13,23,26,51,57,66,81,76,69 C. 23,13,51,57,26,66,81,69,76 D. 23,13,51,57,81,26,66,69,76
[单项选择]设有关键码序列(14,12,5,6,8,10,15,19,47,11,2,9),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. (2,5,12,14,6,8,10,15,19,47,11,9) B. (2,12,5,6,8,10,15,19,47,11,14,9) C. (14,12,5,6,8,10,15,19,47,11,2,9) D. (5,6,8,10,15,19,47,11,2,9,14,12)
[单项选择]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,采用起泡排序法,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)