#include<stdio.h>

int leap_year(int x)

{

if((x%4==0 && x%100!=0)||(x%400==0))

{

 return 1;

}

else

{

 return -1;

}

}

int main()

{

int year;

printf("请输入您要查询的年份\n");

scanf("%d",&year);

leap_year(year);

if(1==leap_year(year))

{

 printf("%d是闰年\n",year);

}

if(-1==leap_year(year))

{

 printf("%d不是闰年\n",year);

}

return 0;

}