c语言，求解答，救命

Question

 

Answer 1

遍历就是了啊，用求余比较

void main()
{
	
	int i;
	int count = 0;
	for (i = 100; i <= 1000; i++)
	{
		if (i % 7 == 0 && i % 4 == 0)
		{
			printf("%d ", i);
			count++;
			if (count == 10 || count == 20)
				printf("\n");
			else if (count > 20 && (count - 20) % 5 == 0)
				printf("\n");
		}
	}
}