#define _CRT_SECURE_NO_WARNINGS 1#include<stdio.h>
int main()
{int year = 0;printf("请输入年份：");scanf("%d",&year);if((year%4 == 0) && (year%100!=0) || (year%400 == 0)){printf("%d是闰年\n",year);}else{printf("%d不是闰年\n",year);}return 0;
}