#include<stdio.h>
void fun(void);
int year;
int shiji;
int yue;
int ri; 
int w;//星期 
int y; //年份后两位 
void getday(int first_day[],int y);
void shuchurili(int days[],int first_day[]);
	    
int main()
 {{
	int a;
	printf("查询某年某月某日的日期是周几，该年是否为闰年               请输入1\n");
	printf("输入年份，输出这一年的日历，要求能够单列输出和双列输出     请输入2\n");
	scanf("%d",&a);
	if(a==1)
{
	    scanf("%d-%d-%d",&year,&yue,&ri);
	    if((year<=0||yue<=0||ri<=0)||(year==1582&&yue==10&&(ri==5||ri==6||ri==7||ri==8||ri==9||ri==10||ri==11||ri==12||ri==13||ri==14))
	    {{
		    printf("输入错误，请重新输入：");
	    	scanf("%d-%d-%d",&year,&yue,&ri);
		} }else {
	    if(yue<3)
	   	{
	   		year--;
	   		yue+=12;
		}
	    shiji=(year/100);
        y=year%100;
	    w=shiji/4-2*shiji+y+y/4+13*(yue+1)/5+ri-1;
	    if(w%7==0)
	       printf("星期7");
	    else
	       printf("星期%d ",w%7);
	    if((year%4==0&&year%100!=0)||(year%400==0))
	       printf("闰年");
	    else
	       printf("非闰年");
        }
}}
    
    
//第二部分 
    
    
    
    
    
    if(a==2)
    {
    	//单双列输出选择
		printf("请选择您要输出的格式\n");
		printf("单列输出请按1\n");
		printf("双列输出请按2\n");
		int b;
		scanf("%d",&b);
		 if(b==1)
		 {
    	int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	int first_day[12]={0};
	int year=0;
	int i=0;
	int a=1;
	while(a)
	{
		printf("请输入年份：");
		scanf("%d",&year);
		//报错 
		if(year<=0)
		{
			printf("输入错误，请重新输入：");
			scanf("%d",&year);
		}
		--a;
	}
	//获取该年每个月所属星期
		getday(first_day,year);
		if((year%4==0&&year%100!=0)||(year%400==0))
		   days[1]=29; 
		//输出日历
		shuchurili(days,first_day);
		return 0; 
}else


//双列输出 



{
	int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
	int first_day[12]={0};
	int year=0;
	int i=0;
	int a=1;
	while(a)
	{
		printf("请输入年份：");
		scanf("%d",&year);
		//报错 
		if(year<=0)
		{
			printf("输入错误，请重新输入：");
			scanf("%d",&year);
		}
		--a;
	}
	//获取该年每个月所属星期
		getday(first_day,year);
		if((year%4==0&&year%100!=0)||(year%400==0))
		   days[1]=29; 
		//输出日历
		shuchurili(days,first_day);
		return 0; 
	
	
	
}
}
return 0;
}





void getday(int first_day[],int y)
{
	int m=0;
	int d=1;
	int w=0;
	for(m=3;m<=12;m++)
	{
		w=(d+1+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7;
		first_day[m-1]=w;
	}
	y-=1;
	for (m=13;m<=14;m++)
    {
        w = (d+1+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7;
        first_day[m-13] = w;
    }
}
void shuchurili(int days[],int first_day[])
{
	int dyt=0;
	int d=0,i=0,j=0;
	for(i=0;i<12;i++)
	{
		dyt=first_day[i];
		printf("                 %2d 月  \n", i+1);
		printf(" 日 一 二 三 四 五 六 \n");
		//1号前的空格
//改后
		for(j=0;j<dyt;j++) 
		    printf("   ");
		for(d=1;d<=days[i];d++)
		{
			printf(" %2d",d);
			if((d+dyt)%7==0)
			printf("\n");
		 } 
		 printf("\n"); 
	}
	}

        
        
/*      
	   //第二部分 
	   
	   
#include<string.h>
//判断闰年的函数 
	   int isleapyear(int year)
	   {
	   	return ((year%4==0&&year%100!=0)||(year%400==0));
	   }
	   
	   //计算每月天数的函数 
	   int month(int year,int yue)
	   {
	   	int run[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
	   	if(yue==2&&isleapyear(year))
	   	{
	   		return 29;
		}
		return run[yue];
	   }
	   
	   //计算给定日期是星期几（蔡勒公式） 
	   int week(int year,int yue,int ri)
	   {
	   	if(yue<3)
	   	{
	   		year--;
	   		yue+=12;
		}
	   	shiji=(year/100);
        y=year%100;
	   	w=shiji/4-2*shiji+y+y/4+13*(yue+1)/5+ri-1;
	   	return (w%7+7)%7;
	   }
	   
	   //输出日历函数
	   void rili(int year)
	   {
	   	char *week[]={"一","二","三","四","五","六","日"};
	   	scanf("&d-%d-%d",&year,&yue,&ri);
	   	for(yue=1;yue<=12;yue++)
	   	{
	   		int i;
	   	    printf("%d ",yue);
	   	    for(i=0;i<7;i++)
	   	    printf("%s",week[i]);
	   	    printf("\n");
	   	    int w=week(year,yue,1);//w为每月第一日是星期几 
	   	    int jx=month(year,yue);
	   	    char a[w]={"0"};
			char b[][7];//输出日期的数组
			if((year%4==0&&year%100!=0)||(year%400==0))
			{
	   	            for(int n=0;n<7;n++)
	   	           {
	   	    	        for(int m=1;m<jx;m++)
	   	    	        {
	   	    	        	for(int e=1;e<jx;e++)
	           	             b[m][n]='e';
	           	        }
	   	           }
	   	                for(int m=0;m<6;m++)
	   	           {
	   	           	    for(int n=0;n<7;n++)
	   	    	            printf("%d",a[m][n]);
	   	    	        printf("\n");
			       }
		    }
	    }
	   	
	   } 
	   
	   
	   
	   
	   
*/