对一串数字各不相同的数字串进行排序，大的在前，小的在后,把一串数字中最大的那

个数字找出来，然后与第一个数字交换，这样的话我就能够确定排序后数字串中的第

一个数字；接着，我从数字串中的第二个数字开始往后找，找到最大的一个，然后与

第二个数字交换-Different for a string of numbers to sort the string of numbers, large front, small in the post, the largest of a string of numbers that

Numbers to find out, and then with the first digital switching, so I was able to determine the ordering number string after the first

A number　then, I figure the second number string start looking back, find the biggest one, and then with

The second digital switching .....