[编程入门]结构体之时间设计-题解(C语言)

#include<stdio.h>
int runyear(int year)
{
    if(year%400==0||(year%4==0&&year%100!=0))
        return 1;
    else
        return 0;
}
int main()
{
    int flag=0;
    int month[12]={31,28,31,30,31,30,31,31,30,31,30,31};
    int myday=0;
    struct a{
        int year;
        int month;
        int day;
    };
    struct a days;
    scanf("%d %d %d",&days.year,&days.month,&days.day);
    //printf("%d %d %d",days.year,days.month,days.day);
    if(runyear(days.year))
    {
        flag=1;
        if(days.month>=3)
            flag=1;
        else
            flag=0;
    }
    for(int i=0;i<days.month-1;i++)
    {
        myday+=month[i];
    }
    myday+=days.day;
    if(flag==1)
        myday+=1;
    printf("%d",myday);
    return 0;
}