参考答案：

#include <iostream>
using namespace std;
int main()
{
    printf("     **     \n");
    printf("     **     \n");
    printf("************\n");
    printf("************\n");
    printf("    *  *    \n");
    printf("    *  *    \n");

    return 0;
}

#include<stdio.h>

int main(void)
{

    printf("     **     \n"
           "     **     \n"
           "************\n"
           "************\n"
           "    *  *    \n"
           "    *  *    \n");
    return 0;
}