C语言 动态一维数组

# include 
# include 

int main(void)
{
	int a[5];
	int len;
	int* p;
	int i;

	printf("请输入您要存放的元素个数：");
	scanf_s("%d", &len);
	p = (int*)malloc(sizeof(int) * len);

	for (i = 0; i < len; i++)
		scanf_s("%d", &p[i]);

	for (i = 0; i < len; i++)
		printf("%dn", p[i]);

	free(p);

	return 0;
}