《第几天》题解

解题思路:

注意事项:

参考代码:

#include <stdio.h>

#include <stdlib.h>

int main()

{

    int year,month,Day;

    while(scanf("%d/%d/%d",&year,&month,&Day)!=EOF)

    {

        int i,day[12]={31,28,31,30,31,30,31,31,30,31,30,31};

        for(i=0;i<month-1;i++)

            Day+=day[i];

        if((year%4==0&&year%100!=0)||year%400==0)

            Day++;

        printf("%d\n",Day);

    }

    return 0;

}