: [编程入门]结构体之成绩记录c程序

#include<stdio.h>

struct dey

{

  int year;

  int month;

  int day;

}runnian;

int main()

{

// struct demo runnian;

int y=runnian.year;

int m=runnian.month;

int d=runnian.day;

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

int sum=0;

    scanf("%d %d %d",&y,&m,&d);

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

    {

a[1]=29;

}

else

{

a[1]=28;

}

for(int i=0;i<m-1;i++)

{

sum+=a[i];

}

sum+=d;

printf("%d",sum);

    return 0;

}