HDOJ2005 ( 第几天？ ) 【水题】

Problem : 2005 ( 第几天？ )     Judge Status : Accepted
RunId : 5995566    Language : C    Author : qq1203456195
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta

#include <stdio.h>
int Month[2][13]={
    {0,31,28,31,30,31,30,31,31,30,31,30,31},
    {0,31,29,31,30,31,30,31,31,30,31,30,31}
};
int main()
{
    int y,m,d,sum,f,i;
    while (scanf("%d/%d/%d",&y,&m,&d)!=EOF)    
    {
        sum=0;
        f=((y%400==0) || (y%100!=0) && (y%4==0));
        i=1;
        while (i<m)    
            sum+=Month[f][i++];
        printf("%d\n",sum+d);
    }
    return 0;
}