#include<stdio.h>
struct date
{   int year;
    int mouth;
    int day;};
int year(struct date *p,struct date *q)
    {int flag,sum=0;
      while(p->year<=q->year)
      {if((p->year%4==0)&&(p->year%100==0))
              flag=1;
          if(p->year%400==0)
              flag=1;
          else flag=0;
          if(flag==1)
              sum+=366;
          else sum+=365;}
          return(sum);
          }
int day(int flag,struct date *p,struct date *q)
    {int sum=0;
        switch(flag)
        {case 1:for(;p->day<=31;p->day++)
        {sum+=1;return(sum);break;}
        case 0:for(;p->day<=30;p->day++)
        {sum+=1;return(sum);break;}
        case -1:for(;p->day<=30;p->day++)
        {sum+=1;return(sum);break;}}
        }
int mouth(struct date *p,struct date *q)
    {int flag,sum=0;
        if(p->mouth<q->mouth)
            while(p->mouth++<=q->mouth)
                if((p->mouth%2==1)&&p->mouth<=7&&(p->mouth%2==0)&&p->mouth<=12)
                {flag=1;sum+=day(flag,p->day,q);p->day=1;}
                else if(p->mouth/2==1)
                    {flag=-1;sum+=day(flag,p->day,q);p->day=1;}
                else {flag=0;sum+=day(flag,p->day,q);p->day=1;}
                    return(sum);
                    }
 
void main()
    {struct date *p,*q;
        int sum=0;
        printf("please print:\n");
        scanf("%d%d%d%d%d%d",p->year,p->mouth,p->day,q-year,q->mouth,q->day);
        sum=year(p,q)+mouth(p,q);
        printf("your life is running in %d day!",sum);
        }
 

#include "stdio.h"
struct student
{
    int year;
    int month;
    int day;
};
year(int year)
{
    if((year%4==0&&year%100==0)||(year%400==0))
    return 1;
    else
    return 0;
}
month(int n)
{
    switch(n)
    {
case 1:return 31;
case 2:return 28;
case 3:return 31;
case 4:return 30;
case 5:return 31;
case 6:return 30;
case 7:return 31;
case 8:return 31;
case 9:return 30;
case 10:return 31;
case 11:return 30;
case 12:return 31;
}
}
void main()
{
    struct student p1,p2;
   int sum=0,i,sumbe=0;
   printf("请输入你的出生年、月、日:");
   scanf("%d%d%d",&p1.year,&p1.month,&p1.day);
   printf("请输入今天的年、月、日:");
   scanf("%d%d%d",&p2.year,&p2.month,&p2.day);
   for(i=1;i<p1.month;i++)
   sumbe=sumbe+month(i);
   if(p1.year>2||(p1.month==2&&p1.day==30))
   sumbe=sumbe+year(p1.year);
   sumbe+=p1.day;
   for(i=1;i<p2.month;i++)
   sum=sum+month(i);
   if(p2.year>2||(p2.month==2&&p2.day==30));
   sum=sum+year(p2.year);
   sum=sum+365*(p2.year-p1.year);
   for(i=p1.year;i<p2.year;i++)
   sum=sum+year(i);
   sum=sum+year(p2.year);
   sum=sum+p2.day;
   sum=sum-sumbe;
   printf("%d",sum);
   getch();
 
}