單項選擇題一組記錄的關(guān)鍵字序列為(56,30,89,66,48,50,94,87,100),利用快速排序,以第一個關(guān)鍵字為分割元素,經(jīng)過一次劃分后結(jié)果為()。

A.48,30,50,56,66,89,94,87,100
B.30,50,48,56,66,89,94,100,87
C.50,30,48,66,56,89,94,87,100
D.50,30,48,56,66,89,94,87,100


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1.單項選擇題知10個數(shù)據(jù)元素為(54,28,16,34,73,62,95,60,26,43),對該數(shù)列從小到大排序,經(jīng)過一趟冒泡排序后的序列為()。

A.16,28,34,54,73,62,60,26,43,95
B.28,16,34,54,62,60,73,26,43,95
C.28,16,34,54,62,73,60,26,43,95
D.16,28,34,54,62,60,73,26,43,95

2.單項選擇題一組記錄的關(guān)鍵字序列為(25,48,16,35,79,82,23,40,36,72),其中,含有5個長度為2的有序表,按歸并排序的方法對該序列進行一趟歸并后的結(jié)果為()。

A.16,25,35,48,79,82,23,36,40,72
B.16,25,35,48,79,23,36,40,82,72
C.16,25,48,35,79,82,23,36,40,72
D.16,25,35,48,23,40,79,82,36,72