我給妳寫壹個,妳參考下,運行過了,麽有任何問題!!
又不明白的可以交流下!
我的是以1970年1月1日,作為基準日期,此日是周四
#include <stdio.h>
//計算給定的日期是本年的第幾天
int count(int year,int month,int day)
{int i,sum=0,flag=0;
int a[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};
for(i=1;i<month;i++)
sum=a[i]+sum;
if(year%400==0||year%100!=0&&year%4==0)
flag=1;
if(flag==1&&month>2) sum++;
sum=sum+day;
return sum;
}
int main()
{
int year,month,day;
int sum=0,i;
int a;
//1970年1月1日是周四。
printf("輸入日期:");
scanf("%d%d%d",&year,&month,&day);
for(i=1970;i<year;i++)
{
if(i%400==0||i%100!=0&&i%4==0)
sum=sum+366 ;
else sum=sum+365;
}
sum+=count(year,month,day)-1;
a=sum%7;
switch(a)
{
case 0:printf("%d年%d月%d日是:周四\n",year,month,day);break;
case 1:printf("%d年%d月%d日是:周五\n",year,month,day);break;
case 2:printf("%d年%d月%d日是:周六\n",year,month,day);break;
case 3:printf("%d年%d月%d日是:周日\n",year,month,day);break;
case 4:printf("%d年%d月%d日是:周壹\n",year,month,day);break;
case 5:printf("%d年%d月%d日是:周二\n",year,month,day);break;
case 6:printf("%d年%d月%d日是:周三\n",year,month,day);break;
}
return 0;
}
c編程高手團隊正在招新,有意者速速行動,壹起學習,壹起努力!!