c语言 输入某年某月某日,判断这一天是这一年的第几天
#include<stdio.h>intmain(){intday,month,year,sum,leap;scanf("%d年%d月%d日",&year,&month,...
#include<stdio.h>
int main()
{
int day,month,year,sum,leap;
scanf("%d年%d月%d日",&year,&month,&day);
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=90;break;
case 5:sum=120;break;
case 6:sum=151;break;
case 7:sum=181;break;
case 8:sum=212;break;
case 9:sum=243;break;
case 10:sum=273;break;
case 11:sum=304;break;
case 12:sum=334;break;
default:printf("data error");break;
}
if(year%400==0||(year%4==0&&year%100!=0))
sum=sum+day;
else if(year%400==0&&month>2)
sum=sum+day+1;
printf("这是这一年的第%d天。",sum);
return 0;
}
为什么输出结果不对 展开
int main()
{
int day,month,year,sum,leap;
scanf("%d年%d月%d日",&year,&month,&day);
switch(month)
{
case 1:sum=0;break;
case 2:sum=31;break;
case 3:sum=59;break;
case 4:sum=90;break;
case 5:sum=120;break;
case 6:sum=151;break;
case 7:sum=181;break;
case 8:sum=212;break;
case 9:sum=243;break;
case 10:sum=273;break;
case 11:sum=304;break;
case 12:sum=334;break;
default:printf("data error");break;
}
if(year%400==0||(year%4==0&&year%100!=0))
sum=sum+day;
else if(year%400==0&&month>2)
sum=sum+day+1;
printf("这是这一年的第%d天。",sum);
return 0;
}
为什么输出结果不对 展开
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