#include<stdio.h>
#include<math.h>
#include<string.h>
struct Date{
int year;
int month;
int day;
};
int RunYear(int year);
int CountDay(struct Date date);
int main(){
struct Date date;
printf("input year month and day:");
scanf("%d %d %d",&date.year,&date.month,&date.day);
printf("result is %d",CountDay(date));
}
int RunYear(int year){
int isRunYear=0;
if(year%4==0&&year%100!=0){
isRunYear=1;
}
if(year%400==0)
isRunYear=1;
return isRunYear;
}
int CountDay(struct Date date){
int isRunYear=(RunYear(date.year));
int day=0;
int DayInMonth[12]={31,28,31,30,31,30,31,31,30,31,30,31};
for(int i=0;i<date.month-1;i++)
day+=DayInMonth[i];
day+=date.day;
if(isRunYear&&date.month>2)
day++;
return day;
}