问题描述

将日历两个月并排输出

#include <iostream>
#include <iomanip>
using namespace std;
 char *WD="   Sun  Mon  Tue  Wed  Thu  Fri  Sat";
 char *month[12]={"一月","二月","三月","四月","五月","六月","七月","八月","九月", "十月","十一月","十二月"};
 static day[12]={31,28,31,30,31,30,31,31,30,31,30,31};
 int leap(int year);
 int week(int year);
 int main()
 {int i,j,year,date;
 cout<<"请输入年份：";
 cin>>year;
 if(leap(year)) day[1]=29; //确定2月份的日期
 date=week(year);
 cout<<setw(21)<<endl;   //打印年的标题
      for(i=0;i<12;i++)          //控制12个月份的打印,循环12次
      { cout<<endl;
      for(int k=0;k<35;k++)
         cout<<"     ";
      cout<<endl<<setw(21)<<month[i];
      cout<<endl<<WD<<endl;  //打印星期的标题
      for(k=0;k<date;k++)   //格式控制
          cout<<"     ";

       for(j=1;j<=day[i];j++) //日期打印的控制
      {
          if((j+date)%7==1)
           cout<<endl;
         cout<<setw(5)<<j;
      }
      cout<<endl;
      for(k=0;k<32;k++)   //格式控制
          cout<<" ";
      date=date+day[i]%7;
      if(date>6)
          date-=7;  }
      cout<<endl;

 }
  int leap(int year)
  {    //该函数确定年份是闰年,或平年
     int leap;
     if(year%400==0||year%100!=0&&year%4==0)
         leap=1;
     else leap=0;
     return leap;
  }

int week(int year)
{    //用于计算年份的1月1日是星期几
  if (year%400==0||year%100!=0&&year%4==0)
   return (year-1+year/4-year/100+year/400)%7;
 else
   return (year+year/4-year/100+year/400)%7;
 }