//打印闰年
#include <stdio.h>

int main()
{
	int year = 0;
	int count = 0;
	for (year = 1000;year <= 2000;year++)
	{
		if (year%4==0 && year%100!=0)
		{
			printf("%d ", year);
			count++;
		}
		else if (year % 400 == 0)
		{
			printf("%d ", year);
			count++;
		}
	}
	printf("\ncount=%d\n ",count);
	return 0;
}


//打印素数

#include <stdio.h>

int main()
{
	int i = 0;
	int j = 0;
	int count = 0;
	for (i=100;i<=200;i++)
	{
		for (j = 2;j < i;j++)
		{
			if (i%j == 0)
				break;
		}
		if (j == i)
		{
			count++;
			printf("%d ",i);
		}
	}
	printf("\ncount=%d\n ",count);
	return 0;
}

//