//升序排列
#include <iostream>using namespace std;
int main(){    int a[5]={1,5,2,3,4};    for (int i=1;i<5;i++)    {        int key=a[i];        int j=i-1;        while(j>=0&&a[j]>key)        {            a[j+1]=a[j];            j--;        }        a[j+1]=key;    }    for (int i=0;i<5;i++)    {        cout<<a[i];    }    getchar();};



//降序排列

#include <iostream>
using namespace std;

int main()
{
int a[5]={1,5,2,3,4};

for (int i=1;i<5;i++)
{
int key=a[i];
int j=i-1;
while(j>=0&&a[j]<key)
{
a[j+1]=a[j];
j--;
}
a[j+1]=key;
}

for (int i=0;i<5;i++)
{
cout<<a[i];
}
getchar();
};