更新时间2019-11-02 09:56:04
#include <stdio.h>
int main()
{
float y,m,d;
int year,month,day;
int n[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
///实际开发中,年/月/日不会用实数而用整数的
scanf("%f%f%f",&y,&m,&d);
year=y;
month=m;
day=d;
if (((year % 4 == 0) && (year % 100 != 0)) || year % 400 == 0)
n[1]=29; //闰年
if (month<1 || month >12 || day<1 || day>n[month-1])
printf("日期不合法
");
else
printf("日期合法
");
return 0;
}