#include<stdio.h>
void main()
{
int sumday(int month,int day);/*计算第多少天的函数声明*/
int leap(int year);/*判断是否闰年的函数声明*/
int month,day,days,year;
int daytab[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};/*一般年的12个月的天数组成一个数组*/
printf("Please input date(year,month,day):");/*提示输入年月日*/
scanf("%d-%d-%d",&year,&month,&day);/*输入年月日*/
printf("%d/%d/%d\n",year,month,day);
days=sumday(month,day);/*计算天数的函数调用*/
if(leap(year)&&month>=3)/*调用判断是否闰年的函数,并且月份大于等于3时天数加1*/
days=days+1;
printf("Today is the %d day of this year.",days);/*显示是第多少天的函数*/
}
int sumday(int month,int day)
{
int daytab[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
int i;
for(
i=0;i<month;i++)
day+=daytab[i];
return(day);
}
int leap(int year)
{
int leap;
leap=(year%4==0&&year%100!=0||year%400==0);
return(leap);
}
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