#include <stdio.h>
main()
{
int year,month,days;
printf("请输入一个年份： 月份:");
scanf("%d",&year);
scanf("%d",&month);
if(year%400==0)
printf("是闰年!");
else
{
if(year%4==0&&year%100!=0)
printf("是闰年!");
switch(month)
{
case 2:
days=28;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d天\n",days)
else
printf("不是闰年!");
}
switch(month)
{
case 2:
days=28;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d天\n",days);
}
#include <stdio.h>
main()
{
int year,month,days;
printf("请输入一个年份： 月份:");
scanf("%d",&year);
scanf("%d",&month);
if(year%400==0)
printf("是闰年!");
else
{
if(year%4==0&&year%100!=0)
{printf("是闰年!");
switch(month)
{
case 2:
days=28;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d天\n",days) }
else
printf("不是闰年!");
}
switch(month)
{
case 2:
days=28;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d天\n",days);
}
/*判断是否是闰年，并且输出该年的某月天数*/
/*2016.2.11 下午12:59*/
#include <stdio.h>
main()
{
int year,month,days;
printf("请输入一个年份:");
scanf("%d",&year);
printf("请输入一个月份:");
scanf("%d",&month);
if((year%4==0&&year%100!=0)||(year%400==0))
{
printf("%d是闰年!\n",year);
switch(month)
{
case 2:
days=29;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d月一共%d天\n",month,days);}
else
{ printf("不是闰年!\n",year);
switch(month)
{
case 2:
days=28;break;
case 4: case 6: case 9: case 11:
days=30;break;
default:
days=31;break;
}
printf("%d月一共%d天\n",month,days);
}
}
