1246: 第几天

#include<iostream>
using namespace std;
int arr[12]={31,28,31,30,31,30,31,31,30,31,30,31},sum=0;
int getday(int year,int month,int day)
    {
        sum=0;
        if(year%100!=0&&year%4==0||year%400==0)
        {
            for(int i=0;i<month-1;i++)
                sum+=arr[i];
            if(month>2)
                sum++;
            sum+=day;
        }
        else
        {
            for(int i=0;i<month-1;i++)
                sum+=arr[i];
            sum+=day;
        }
        return sum;
}
int main()
{
    char a,b;
    int yy,mm,dd;
    while(cin>>yy>>a>>mm>>b>>dd)
        cout<<getday(yy,mm,dd)<<endl;
    return 0;
}