程序代码：

#include<stdio.h>
#include<stdlib.h>

int main()
{
    int *p,n,i,j,end,num,temp1,temp2;
    scanf("%d",&n);
    p = (int *) malloc((n+1)*sizeof(int)) ;
    for(i=0;i<n;i++)
    {
        scanf("%d",p+i);
    }
    scanf("%d",&num);
    if(num>=p[n-1]){
        p[n] = num;
    } else
    {
        for(i=0;i<n+1;i++)
        {
            if(num<p[i])
            {
                temp1 = p[i];
                p[i] = num;
            for(j=i+1;j<n+1;j++)
            {
                temp2 = p[j];
                p[j] = temp1; 
                temp1 = temp2;
            }
            break;
            }
        }
    }
    for(i=0;i<n+1;i++)
    {
        printf("%d,",p[i]);
    }
    return 0;
}