编辑代码

#include <iostream>
using namespace std;

int main()
{
    int arr[9] = {9,4,7,6,5,8,1,2,3,};

    cout << " 排序前 " << endl;

    for ( int i = 0; i < 9; i++)
    {
        cout << arr[i] << endl;
    }
    cout << endl;

    for ( int i  = 0; i < 9 - 1; i++ )
    {
        for (int j = 0; j <9 -i -1; j++)
        {
            if(arr[j] > arr[j+1])
            {
               int ling = arr[j];
               arr[j] = arr[j+1];
               arr[j+1] = ling;
            }
        }
    }

    cout << " 排序后 " << endl;

    for ( int i = 0; i < 9; i++)
    {
        cout << arr[i] << endl;
    }
    cout << endl;    

    system("pause");

    return 0;
}