#include <stdlib.h>
#include <math.h>
char* month[]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nev","Dec"}
char* week[]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"}
int j_leapyear(int year) //定义函数检测输入年份是否为闰年
{
if((/*year%400==0*/year%4==0&&year%100!=0)||(year%400==0))
return (1)
// else if(year%4==0&&year%100!=0)
// return (1)
else return 0
}
int month_day(int year,int month) //检测该年月份有多少天
{
int mon_day[]={31,28,31,30,31,30,31,31,30,31,30,31}
if(j_leapyear(year)&&month==2)
return 29
else return (mon_day[month-1])
}
int j_week(int year,int month,int day) //检测该天是星期几
{
int d=0,i //d表示该天在该年份的累计天数
int w
/* int month_day[]={31,28,31,30,31,30,31,31,30,31,30,31}
if(j_leapyear(year)==1)
month_day[1]=29
for(i=0i<monthi++)
d+=month_day[i]
d=d+day*/
for(i=1i<monthi++)
d+=month_day(year,i)
d+=day
w=(year-1)+(int)(year-1)/4-(int)(year-1)/100+(int)(year-1)/400+d//网上公式
return ((int)w%7)
}
int allyear(int year) //输出全年日历
{
int i,j,b
printf("\n%d 日历",year)
for(i=1i<=12i++)
{
printf("\n\n\t%s\n",month[i-1])
// printf(" 7 1 2 3 4 5 6 \n")
printf(" S M T W T F S \n")
b=j_week(year,i,1)
for(j=1j<=month_day(year,i)+bj++)
{
if(j<=b)
printf(" ")
else if(j-b<10)
printf("%2d ",j-b)
else printf("%2d ",j-b)
//else printf("%2d ",j-b)
if(j%7==0)
putchar('\n')
}
putchar('\n')
}
return 0
}
void month_print(int year,int month) //输入一个年月，输出这个月的日历
{
int i,c,d
c=month_day(year,month)
printf("\n\n%d年%d月日历\n",year,month)
printf(" S M T W T F S \n")
d=j_week(year,month,1)
for(i=1i<=c+di++)
{
if(i<=d)
printf(" ")
else printf("%2d ",i-d)
if(i%7==0)
putchar('\n')
}
putchar('\n')
}
int jisuan_day(int year,int month,int day,int x,int y,int z) //输入年月日，输出距x年y月z日有多少天,星期几，以及是否是公历节日
{
int i,a,b,c=0,d=0,days=0,m=0,n=0,t
a=year>=x?year:x
b=year<x?year:x
if(a>b)
{
for(i=b+1i<ai++)
c+=j_leapyear(i)
}
else c=0
if(year!=x)
d=a-b-1
else d=0
m=365*d+c
if(year<x)
{
for(i=monthi<=12i++)
n+=month_day(year,i)
days=m+n+z-day
}
else if(year>x)
{
for(i=yi<=12i++)
n+=month_day(x,i)
for(i=1i<monthi++)
n+=month_day(year,i)
days=m+n+day-z
}
else
{
for(i=month>=y?y:monthi<(month>=y?month:y)i++)
n+=month_day(x,i)
days=abs(day-z)+n //输出距离y月z日有多少天
}
printf("这天离%d年%d月%d号有%d天\n",x,y,z,days)
t=j_week(year,month,day)
if(t==0)//输出星期几
printf("这天星期日")
else if(t==1)
printf("这天星期一")
else if(t==2)
printf("这天星期二")
else if(t==3)
printf("这天星期三")
else if(t==4)
printf("这天星期四")
else if(t==5)
printf("这天星期五")
else if(t==6)
printf("这天星期六")
putchar('\n')
if(month==1&&day==1)
printf("这天是元旦节")
else if(month==2&&day==14)
printf("这天是情人节")
else if(month==3&&day==8)
printf("这天是妇女节")
else if(month==3&&day==12)
printf("这天是植树节")
else if(month==4&&day==1)
printf("这天是愚人节")
else if(month==4&&day==4)
printf("这天是清明节")
else if(month==5&&day==1)
printf("这天是劳动节")
else if(month==6&&day==1)
printf("这天是儿童节")
else if(month==8&&day==1)
printf("这天是建军节")
else if(month==9&&day==10)
printf("这天是教师节")
else if(month==10&&day==1)
printf("这天是国庆节")
else if(month==12&&day==25)
printf("这天是圣诞节")
else printf("这天不是特殊节日")
putchar('\n')
return days
}
void fish_or_net(int year,int month,int day) //判断是打鱼还是晒网
{
int q
int i,a,b,c=0,d=0,days=0,m=0,n=0
a=year>=1990?year:1990
b=year<1990?year:1990
if(a>b)
{
for(i=b+1i<ai++)
c+=j_leapyear(i)
}
else c=0
if(year!=1990)
d=a-b-1
else d=0
m=365*d+c
if(year<1990)
{
for(i=monthi<=12i++)
n+=month_day(year,i)
days=m+n+1-day
}
else if(year>1990)
{
for(i=1i<=12i++)
n+=month_day(1990,i)
for(i=1i<monthi++)
n+=month_day(year,i)
days=m+n+day-1
}
else
{
for(i=month>=1?1:monthi<(month>=1?month:1)i++)
n+=month_day(1990,i)
days=abs(day-1)+n//先确定这天离1990年1月1日有多少天
}
q=days%5+1
if(q==1||q==2||q==3) //判断打鱼还是晒网
printf("渔人今天打鱼")
else printf("渔人今天晒网")
putchar('\n')
}
/*int main() //这部分内容用来校检
{
int j_leapyear(int year)
int month_day(int year,int month)
int j_week(int year,int month,int day)
int allyear(int year)
void month_print(int year,int month)
int jisuan_day(int year,int month,int day,int x,int y,int z)
void fish_or_net(int year,int month,int day)
int x,y,z,year,month,day
// allyear(2015)
//month_print(2016,12)
printf("请输入今天的日期（按年，月，日输入，如2016,1,14表示2016年1月14日）：")
scanf("%d,%d,%d",&x,&y,&z)
printf("\n请随便输入一个日期，格式同上：")
scanf("%d,%d,%d",&year,&month,&day)
jisuan_day(year,month,day,x,y,z)
// fish_or_net(x,y,z)
return 0
} // 这部分内容是用来检测上述函数是否出错的
*/
int main()
{
int j_leapyear(int year)
int month_day(int year,int month)
int j_week(int year,int month,int day)
int allyear(int year)
void month_print(int year,int month)
int jisuan_day(int year,int month,int day,int x,int y,int z)
void fish_or_net(int year,int month,int day)//函数声明
int option,year,month,day,x,y,z
char ny
system("color 1f")
while (1)
{
printf("\n\n\t 欢迎来到由...编写的程序\n\n")
printf(" 请选择您需要的服务，输入编号回车结束\n")
printf(" 1.输入一个年份，输出该年的日历\n")
printf(" 2.输入年月，输出这个月的日历。\n")
printf(" 3.输入年月日，输出据今天还有多久，星期几，是否是公历节日。\n")
printf(" 4.某人自1990年1月1日开始打鱼，“三天打鱼，两天晒网”，输入一个1990年以后的日期，输出他这一天是打鱼还是晒网。\n")
printf(" 5.退出\n")
scanf("%d",&option)
switch(option) //switch分支结构
{
case 1:
while(1) //while循环，后面的1是常数，表示一直到break才结束循环
{
printf("请输入一个年份：")
scanf("%d",&year)
allyear(year)
printf("你想继续查询日历么？（y表示继续，n表示结束）")
scanf("%c",&ny)
if(ny=='n')
break
}
break
case 2:
while (1)
{
printf("输入年月：")
scanf("%d,%d",&year,&month)
month_print(year,month)
printf("你想继续查询日历么？（y表示继续，n表示结束）：")
scanf("%c",&ny)
if(ny=='n')
break
}
break
case 3:
while (1)
{
printf("输入年月日：")
scanf("%d,%d,%d",&year,&month,&day)
printf("请输入今天的日期：")
scanf("%d,%d,%d",&x,&y,&z)
jisuan_day(year,month,day,x,y,z)
printf("你想继续查询么？（y表示继续，n表示结束）：")
scanf("%c",&ny)
if(ny=='n')
break
}
break
case 4:
while (1)
{
printf("输入1990年1月1日以后的一个日期：")
scanf("%d,%d,%d",&year,&month,&day)
fish_or_net(year,month,day)
printf("你想继续查询渔人是打鱼还是晒网么？（y表示继续，n表示结束）：")
scanf("%c",&ny)
if(ny=='n')
break
}
break
case 5:
while (1)
{
printf("确认么？y表示是的，n表示不是")
scanf("%c",&ny)
if(ny=='y')
exit(1) //表示退出程序
else if(ny=='n')
break
}
break
default:printf("对不起，暂时没有这个服务")
break
}
}
return 0
}
#include "iostream"#include "string"
#include "iomanip"
using namespace std
int monthdays[12]={31,28,31,30,31,30,31,31,30,31,30,31}
string weekday[7]={"星期天","星期一","星期二","星期三","星期四","星期五","星期六"}
string monthname[12]={"January","February","March","April","May","June","July","August","September","October","November","December"}
string tiangan[10]={"甲","乙","丙","丁","戊","己","庚","辛","壬","癸"}
string dizhi[12]={"子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥"}
string shengxiao[12]={"鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪"}
void showcalendar(int f)
void showpermoncal(int mon,int monthweek,int flag)
int main()
{
int f
cout<<"请选择 *** 作："<<endl<<"1.查询某年日历；"<<endl<<"2.查询某年某月的日历；"<<endl<<"3.查询某天是星期几"<<endl
cin>>f
showcalendar(f)
return 0
}
void showcalendar(int f)
{
int year,month,day
int flag=0,mon=1
int monthweek,week
int totaldays
int T,D,S//天干，地支，生肖
cout<<"请输入年份： "
cin>>year
totaldays=(year-1)*365+(year-1)/4+(year-1)/400-(year-1)/100
week=(totaldays+1)%7
monthweek=week
T=(year+6)%10
D=(year+8)%12
S=D
if((year%4==0&&year%100!=0)||(year%400==0)) flag=1
cout<<endl<<" *****"<<year<<"年*****"<<endl<<endl
cout<<" "<<shengxiao[S]<<"年"<<endl
cout<<" 农历"<<tiangan[T]<<dizhi[D]<<"年"<<endl<<endl
if(f>=2)
{
cout<<"请输入月份： "
cin>>month
if(f==3)
{
cout<<"请输入日期： "
cin>>day
while(mon<month)
totaldays+=monthdays[mon++-1]
if(month>2&&flag) totaldays++
totaldays=totaldays+day-1
week=(totaldays+1)%7
cout<<year<<"年"<<month<<"月"<<day<<"日"<<" "<<weekday[week]<<endl
return
}
while(mon<=12)
{
if(mon==month)
{showpermoncal(mon,monthweek,flag)break}
if(mon==2&&flag) monthweek++
monthweek=(monthweek+monthdays[mon++-1])%7
}
return
}
while(mon<=12)
{
showpermoncal(mon,monthweek,flag)
if(mon==2&&flag) monthweek++
monthweek=(monthweek+monthdays[mon++-1])%7
}
}
void showpermoncal(int mon,int monthweek,int flag)
{
cout<<monthname[mon-1]<<endl
cout<<"***************"<<endl
cout<<"Sun Mon Tue Wen Tur Fri Sat"<<endl
for(int i=0i<monthweeki++) cout<<""
for(int j=0j<monthdays[mon-1]j++)
{
cout<<setw(2)<<j+1<<" "
if((j+1+monthweek)%7==0) cout<<endl
}
if(mon==2&&flag) cout<<"29"
cout<<endl<<endl
}
#include <stdio.h>int leap (int year)
{if(year%4==0&&year%100!=0||year%400==0) //判断是否是闰年
return 1
else return 0
}
int days_month (int month,int year) //判断大月和小月
{
if(month==1||month==3||month==5||month==7||month==8||month==10||month==12) //找出大月
return 31
if(month==4||month==6||month==9||month==11) //找出小月
return 30
if(month==2&&leap(year)==1) return 29//判断二月是29天还是29天
else return 28
}
int firstday(int month,int year)
{int w
w=(1+2*month+3*(month+1)/5+year+year/4+year/400-year/100)%7+1//判断每个月开始的第一天是星期几
return w
}
main()
{int i,j=1,k=1,a,b,month,year
printf("\n input month and year:\n")
scanf("%d%d",&month,&year)//输入月和年
b=days_month(month,year)
a=firstday (month,year)
printf(" Sun Mon Tue Wed Thu Fri Sat \n")//输出对应当月的日历
if(a==7)
{for(i=1i<=bi++)
{printf("%4d",i)
if(i%7==0)
{printf("\n")
}
}
}
if(a!=7)
{while (j<=4*a)
{printf(" ")
j++
}
for(i=1i<=bi++)
{printf("%4d",i)
if(i==7*k-a)
{printf("\n")
k++
}
}
}
printf("\n")
}
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