冒泡排序内部为啥不能用J--呢?当i=0,j一样循环8次啊
#include<iostream>
using namespace std;
int main()
{
int arr[9]={1,5,6,7,2,3,9,4,8};
for (int i = 0; i < 9; i++)
{
for (int j = 9-1-i; j >0; j--)
{
if (arr[j] >arr[j+1])
{
int temp = arr[j];
arr[j] = arr[j+1];
arr[j+1] = temp;
}
}
}
for (int i = 0; i < 9; i++)
{
cout << arr[i];
}
return 0;
}