已知用某种排序方法对关键字序列(51,35,93,24,13,68,56,42,77)进行排序时,前两趟排序的结果为
(35,51,24,13,68,56,42,77,93)
(35,24,13,51,56,42,68,77,93)
所采用的排序方法是_________________
(35,51,24,13,68,56,42,77,93)
(35,24,13,51,56,42,68,77,93)
所采用的排序方法是_________________