10个数进行排序可以利用选择法，即从后9个比较过程中，选择一个最小的与第一个元素交换， 下次类推，即用第二个元素与后8个进行比较，并进行交换。 -10 The number of sort method can be used to select,　the nine comparison process,　a minimum of exchange with the first element, the next and so on, that is the second element of the eight compare and exchange .