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#include <stdio.h>
#include <windows.h>
#include <iostream>
int Y(int Z) //距公元元年元月1日的天数
{
int i,s=0,day;
for(i=1;i<=Z-1;i++)
{
if(i%4==0&&i%100!=0||i%400==0)
day=366;
else
day=365;
s=s+day;
}
return s;
}
int month(int X,int C) //月份(分平闰年)
{
int V;
switch(C)
{
case 1: V=31;break;
case 2:
if(V%4==0&&V%100!=0||V%400==0)
V=29;
else
V=28;
break;
case 3: V=31;break;
case 4: V=30;break;
case 5: V=31;break;
case 6: V=30;break;
case 7: V=31;break;
case 8: V=31;break;
case 9: V=30;break;
case 10: V=31;break;
case 11: V=30;break;
case 12: V=31;break;
}
return V;
}
int weekday(int V) //判断是星期几
{
switch(V)
{
case 1: printf("\n当天是星期一\n");printf("\a");break;
case 2: printf("\n当天是星期二\n");printf("\a");break;
case 3: printf("\n当天是星期三\n");printf("\a");break;
case 4: printf("\n当天是星期四\n");printf("\a");break;
case 5: printf("\n当天是星期五\n");printf("\a");break;
case 6: printf("\n当天是星期六\n");printf("\a");break;
case 7: printf("\n当天是星期日\n");printf("\a");break;
}
}
int holiday(int F,int G) //判断该天是否为法定节日
{
if(F==1&&G==1) printf("\n当天为元旦");
else if(F==5&&G==1) printf("\n当天为劳动节\n");
else if(F==6&&G==1) printf("\n当天为儿童节\n");
else if(F==8&&G==1) printf("\n当天为建军节\n");
else if(F==10&&G==1) printf("\n当天为国庆节\n");
else
printf("\n当天不是法定节日\n");
}
using namespace std;
int main(void)
{
int year,d,j,Z,ds,dd,m,n,D,x,y,z,h,k,l,B,Z1,C;
Chongfu:
printf("\n■■■■■■■年历显示■■■■■■■");
printf("\n■ 1. 查询年历 ■\n■ 2. 查询具体月份 ■\n■ 3. 具体日期 ■\n■ 4. 日期间距 ■\n■ 5. 退出系统 ■\n");
printf("■■■■■■■■■■■■■■■■■■\n");
printf("\n请输入对应数字以执行相应操作:");
scanf("%d",&C);
if(C==1)
{
printf("\n输入你所查寻日历的年份:");
scanf("%d",&year);
if((year%4==0&&year%100!=0)||year%400==0)
{
printf("\n=========该年是闰年=========");
printf("\a");
}
else
{
printf("\n=========该年是闰年=========");
printf("\a");
}
Z=Y(year);
for(j=1;j<=12;j++)
{
d=Z%7;
printf("\n----------------------------\n");
printf(" %d月份\n",j);
printf("SUN MON TUE WED THU FRI SAT\n");
if(d<6)
for(ds=1;ds<=d+1;ds++)
printf(" ");
for(dd=1;dd<=month(year,j);dd++)
{
printf ("%d",dd);
if (dd<10)
printf(" ");
else
printf(" ");
if (dd==6-d||(dd-6+d)%7==0||dd==month(year,j))
printf("\n");
}
Z=Z+month(year,j);
}
printf("\n感谢您的使用!\n");
goto Chongfu;
}
if(C==2)
{
printf("\n输入所查日历的年月:");
scanf("%d%d",&m,&n);
Z=Y(m);
for(j=1;j<=n-1;j++)
{
D=month(m,j);
Z=Z+D;
}
d=Z%7;
printf("\n----------------------------\n");
printf(" %d月份\n",j);
printf("SUN MON TUE WED THU FRI SAT\n");
if(d<6)
for(ds=1;ds<=d+1;ds++)
printf(" ");
for(dd=1;dd<=month(year,j);dd++)
{
printf("%d",dd);
if(dd<10)
printf(" ");
else
printf(" ");
if(dd==6-d||(dd-6+d)%7==0||dd==month(year,j))
printf("\n");
}
printf("\n感谢您的使用!\n");
goto Chongfu;
}
if(C==3)
{
printf("\n输入年月日:");
scanf("%d%d%d",&x,&y,&z);
Z=Y(x);
for(j=1;j<=y-1;j++)
{
D=month(x,j);
Z=Z+D;
}
Z=Z+z;
Z1=Y(h);
d=Z%7;
weekday(d);
holiday(y,z);
printf("\n感谢您的使用!\n");
goto Chongfu;
}
if(C==4)
{
printf("\n输入年月日:");
scanf("%d%d%d",&x,&y,&z);
Z=Y(x);
for(j=1;j<=y-1;j++)
{
D=month(x,j);
Z=Z+D;
}
Z=Z+z;
printf("\n输入当前年月日:");
scanf("%d%d%d",&h,&k,&l);
Z1=Y(h);
for(j=1;j<=k-1;j++)
{
D=month(k,j);
Z1=Z1+D;
}
Z1=Z1+l;
B=Z1-Z;
printf("\n输入日期距今有%d天\n",B);
d=Z%7;
printf("\n感谢您的使用!\n");
goto Chongfu;
}
if(C==5)
{
printf("\n感谢您的使用!\n");
}
if(C!=1&&C!=2&&C!=3&&C!=4&&C!=5)
{
printf("\n请输入正确数字");
goto Chongfu;
}
}