【C语言练习】打印圣诞树

#include
void print(int n)
{
    int i = 0, j = 0,k=0,d=0;

    for (d=n;d>0;d--)
    {
        for (i = 0; i < 3; i++)
        {
            for (j = 0; j <= n-d; j++)
            {
                if (j == 0)
                    for (k = 3 * (d - 1); k > 0; k--)
                        printf(" ");
                for (k = 2; k > i; k--)
                    printf(" ");
                for (k = 0; k < i + 1; k++)
                    printf("* ");
                for (k = 2; k > i; k--)
                    printf(" ");
            }
            printf("n");
        }
    }
}
int main()
{
    int n = 0;
    
    while (scanf("%d", &n)!=EOF)
    {
        print(n);//实现输出圣诞树顶的函数
        int i = 0, j = 0;
        for (i = 0; i < n; i++)//输出树干
        {
            for (j = 3 * n - 1; j > 0; j--)
                printf(" ");
            printf("*n");
        }
    }
    return 0;
}