#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");
	else if(F==6&&G==1)	printf("\n当天为儿童节");
	else if(F==8&&G==1)	printf("\n当天为建军节");
	else if(F==10&&G==1)	printf("\n当天为国庆节");
	else
	printf("\n当天不是法定节日");
}

using namespace std;

int main(void)
{
	
	int year,d,j,Z,ds,dd,m,n,D,x,y,z,h,k,l,B,Z1;
	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	该年是平年");
		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;
	weekday(d);
	holiday(y,z);
}