{
    int a[5],i,j;
    for(i=0;i<5;i++)
    {
        printf("请输入第%d个:",i+1);scanf("%d",&a[i]);
    }
    for(i=0;i<4;i++)
        for(j=i+1;j<5;j++)

            if(a[i]<a[j])
            {
                int k;
                k = a[i];

                a[i] = a[j];

                a[j] = k;
            }
            for(i=0;i<5;i++)
                printf("%d ",a[i]);
            return 0;