【关于结构体与函数的应用】求助谢谢 - C语言论坛

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【关于结构体与函数的应用】求助谢谢

这是我的思路代码不完全正确怎么修改？
#include <stdio.h>
struct DATE
{
int year;
int month;
int day;
}date;
int main ()
{
    void find(struct DATE);
    int i = 0;
    int days = 0;
    int month_LeapYear[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int month_AverageYear[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
    printf ("输入年月日： ");
    scanf ("%d %d %d", &date.year, &date.month, &date.day);
    find (date);

    void find(struct DATE date);
    {
        if (date.year%4 == 0 || date.year%400 == 0)
        {
            for (i=0; i < date.month-1; i++)
            {
                days = month_LeapYear[i] + days;
            }
            days = days + date.day;
        }
        else
        {
            for (i=0; i < date.month-1; i++)
            {
                days = month_AverageYear[i] + days;
            }
            days = days + date.day;
        }
    }

    printf("该日是该年的第%d天\n", days);
}

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#include <stdio.h>
struct DATE
{
    int year;
    int month;
    int day;
}date;
void find(struct DATE date)
{
    int i = 0;
    int days = 0;
    int month_LeapYear[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    int month_AverageYear[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
    printf ("输入年月日： ");
    scanf ("%d %d %d", &date.year, &date.month, &date.day);
    if (date.year%4 == 0 || date.year%400 == 0)
    {
        for (i=0; i < date.month-1; i++)
        {
            days = month_LeapYear[i] + days;
        }
        days = days + date.day;
    }
    else
    {
        for (i=0; i < date.month-1; i++)
        {
            days = month_AverageYear[i] + days;
        }
        days = days + date.day;
    }


    printf("该日是该年的第%d天\n", days);
}

int main ()
{
    find (date);

    return 0;
}