【单选题】对记录的关键字为{50,26,38,80,70,90,8,30,40,20}进行排序,各趟排序结束时的结果是: 50,26,38,80,70,90,8,30,40,20 50,8,30,40,20,90,26,38,80,70 26,8,30,40,20,80,50,38,90,70 8,20,26,30,38,40,50,70,80,90
【单选题】对记录的关键字为{50,26,38,80,70,90,8,30,40,20}的序列进行排序,各趟排序的结果为: 50 26 38 80 70 90 8 30 40 20 50 8 30 40 20 90 26 38 80 70 26 8 30 40 20 80 50 38 90 70 8 20 26 30 38 40 50 70 80 90 其使用的排序方法是( )。