ACM——第几天

#include<iostream>
using namespace std;

bool isLeapYear(int &year)
{
	if(year%4==0&&year%100!=0||year%400==0)
		return true;
	return false;
}

void calculateDays(int &year,int &month,int &day)
{	
	int sumDays=0;
	for(int i=2000;i<year;i++){
		if(isLeapYear(i))
			sumDays+=366;
		else
			sumDays+=365;
	}
	
	int sumDays2=0;
	switch(month)
	{
	case 12:
		sumDays2+=30;
	case 11:
		sumDays2+=31;
	case 10:
		sumDays2+=30;
	case 9:
		sumDays2+=31;
	case 8:
		sumDays2+=31;
	case 7:
		sumDays2+=30;
	case 6:
		sumDays2+=31;
	case 5:
		sumDays2+=30;
	case 4:
		sumDays2+=31;
	case 3:
		if(isLeapYear(year))
			sumDays2+=29;
		else
			sumDays2+=28;
	case 2:
		sumDays2+=31;
	case 1:
		sumDays2+=day;
	}
	cout<<sumDays+sumDays2-1<<endl<<sumDays2<<endl;
}
int main()
{
	int y,m,d;
	while(cin>>y)
	{	if(y==-1)
			break;
		cin>>m>>d;
		calculateDays(y,m,d);
	}
	return 0;
}