455 lines
7.8 KiB
C++
455 lines
7.8 KiB
C++
#include<stdio.h>
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int run (int y);
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void search (void);
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int pand(int a,int b,int c);
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void input(int *a,int *b,int *c);
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void rls(void);
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void rld (void);
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void choice(void);
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int main ()
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{
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int xz;
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printf("请选择所需要的功能：\n");
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printf("1.查询某年某月某日为星期几，并判断是否为闰年\n");
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printf("2.输出这一年的日历\n");
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printf("请输入：1 or 2\n");
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scanf("%ld",&xz);
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if (xz==1)
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search();
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else if (xz==2)
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choice();
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else
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printf("输入有误请重开");
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}
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//输入年月日并判断
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void input( int *pa,int *pb,int *pc)
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{
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printf("请输入年：\n");
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scanf("%ld",pa);
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printf("请输入月：\n");
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scanf("%ld",pb);
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printf("请输入日：\n");
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scanf("%ld",pc);
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}
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//((year-1)*365+(year-1)/4-(year-1)/100+(year-1)/400+1)%7
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int run(int x)
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{
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if((x%4)==0&&(x%100)!=0||(x%400)==0)
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return 1;
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else
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return 0;
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}
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//判断输入是否有误
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int pand(int a,int b,int c)
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{
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int i=0;
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int j[12]={31,28,31,30,31,30,31,31,30,31,30,31};
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if(a>0&&a<99999)
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i=0;
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else
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i=-1;
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if(b>=1&&b<=12)
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i=0;
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else
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i=-1;
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if(run(a))
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j[2]=29;
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if(j[b-1]>=c&&j[b-1]>=1)
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i=0;
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else
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i=-1;
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return i;
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}
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//查询某年某月某日为星期几，并判断是否为闰年
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void search()
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{
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int year,mouth,day;
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input(&year,&mouth,&day);
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int a,b,c;
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b=mouth;
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c=day;
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char s[10];
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a=pand(year,mouth,day);
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if(a==-1)
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printf("输入有误，请重开");
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else
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{
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int i=0,j=year/100,y=year%100;
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if(year<1582||year==1582&&mouth<10||year==1582&&mouth==10&&c<3)
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{
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if(mouth==1||mouth==2)
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{
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mouth+=12;
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y--;
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}
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i=(y+(y/4)+(j/4)-2*j+(13*(b+1)/5)+c+2)%7;
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}
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else
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{
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if(mouth==1||mouth==2)
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{
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mouth+=12;
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y--;
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}
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i=((j/4)-2*j+y+(y/4)+(13*(b+1)/5)+c-1)% 7;
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}
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switch(i)
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{
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case 0:printf("是星期日");break;
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case 1:printf("是星期一");break;
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case 2:printf("是星期二");break;
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case 3:printf("是星期三");break;
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case 4:printf("是星期四");break;
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case 5:printf("是星期五");break;
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case 6:printf("是星期六");
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}
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if(run(year))
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printf("\n今年是闰年");
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else
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printf("\n今年不是闰年");
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}
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return ;
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}
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void choice()
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{
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int s;
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printf("请选择输出格式\n");
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printf("1.单列 or 2.双列 :");
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scanf("%ld",&s);
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printf("\n");
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if(s==1)
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rld();
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else if(s==2)
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rls();
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else
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printf("输入有误请重开");
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}
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//输出这一年的日历
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void rld()
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{
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int year,mouth,day;
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input(&year,&mouth,&day);
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//printf("请选择")
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int u=pand(year,mouth,day);
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if(u==-1)
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printf("输入有误，请重开");
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else
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{
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int i,j,n=0,leap;
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leap=(year%4==0&&year%100!=0)||(year%100==0);
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int k=year/100,y=(year%100)-1;
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if(year<=1582)
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{
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n=(y+(y/4)+(k/4)-2*k+(13*14/5)+3)%7;
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}
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else
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{
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n=((k/4)-2*k+y+(y/4)+(13*14/5))% 7;
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}
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//printf("%d",n);
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for(mouth=1;mouth<=12;mouth++)
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{
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switch(mouth)
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{
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case 1:
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day=31;
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printf("一月\t\t%d\n",year);
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break;
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case 2:
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if(leap)
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day=29;
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else
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day=28;
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printf("二月\t\t%d\n",year);
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break;
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case 3:
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day=31;
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printf("三月\t\t%d\n",year);
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break;
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case 4:
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day=30;
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printf("四月\t\t%d\n",year);
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break;
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case 5:
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day=31;
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printf("五月\t\t%d\n",year);
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break;
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case 6:
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day=30;
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printf("六月\t\t%d\n",year);
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break;
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case 7:
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day=31;
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printf("七月\t\t%d\n",year);
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break;
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case 8:
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day=31;
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printf("八月\t\t%d\n",year);
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break;
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case 9:
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day=30;
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printf("九月\t\t%d\n",year);
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break;
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case 10:
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day=31;
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printf("十月\t\t%d\n",year);
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break;
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case 11:
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day=30;
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printf("十一月\t\t%d\n",year);
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break;
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case 12:
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day=31;
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printf("十二月\t\t%d\n",year);
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break;
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}
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printf("----------------------------------------------------\n");
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printf(" SUN MON TUE WED THD FRI SAT\n");
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switch(n)
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{
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case 1:
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printf("%5c",'\40');
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break;
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case 2:
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printf("%10c",'\40');
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break;
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case 3:
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printf("%15c",'\40');
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break;
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case 4:
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printf("%20c",'\40');
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break;
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case 5:
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printf("%25c",'\40');
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break;
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case 6:
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printf("%30c",'\40');
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break;
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}
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for(i=1,j=n;i<=day;i++,j++)
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{
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printf("%5d",i);
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if(j%7==6)
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printf("\n");
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}
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n=(n+day)%7;
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printf("\n----------------------------------------------------");
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printf("\n");
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}
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}
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}
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void rls()
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{
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int year,mouth,day;
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input(&year,&mouth,&day);
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int u=pand(year,mouth,day);
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if(u==-1)
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printf("输入有误，请重开");
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else
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{
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int i,j,n1=0,leap;
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leap=(year%4==0&&year%100!=0)||(year%100==0);
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int day1,day2;
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int k=year/100,y=(year%100)-1;
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if(year<=1582)
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{
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n1=(y+(y/4)+(k/4)-2*k+(13*14/5)+3)%7;
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}
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else
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{
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n1=((k/4)-2*k+y+(y/4)+(13*14/5))% 7;
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}
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for(mouth=1;mouth<=12;mouth+=2)
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{
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switch(mouth)
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{
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case 1:
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day1=31;
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printf("一月\t\t%d",year);
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if(leap)
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day2=29;
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else
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day2=28;
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printf("\t\t\t\t\t二月\t\t%d\n",year);
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break;
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case 3:
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day1=31;
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printf("三月\t\t%d",year);
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day2=30;
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printf("\t\t\t\t\t四月\t\t%d\n",year);
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break;
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case 5:
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day1=31;
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printf("五月\t\t%d",year);
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day2=30;
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printf("\t\t\t\t\t六月\t\t%d\n",year);
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break;
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case 7:
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day1=31;
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printf("七月\t\t%d",year);
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day2=31;
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printf("\t\t\t\t\t八月\t\t%d\n",year);
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break;
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case 9:
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day1=30;
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printf("九月\t\t%d",year);
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day2=31;
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printf("\t\t\t\t\t十月\t\t%d\n",year);
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break;
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case 11:
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day1=30;
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printf("十一月\t\t%d",year);
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day2=31;
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printf("\t\t\t\t\t十二月\t\t%d\n",year);
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break;
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}
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printf("--------------------------------------------------------------------------------------------------------\n");
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printf(" SUN MON TUE WED THD FRI SAT\t\t SUN MON TUE WED THD FRI SAT\n");
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int n2=(n1+day1)%7;
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switch(n1)
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{
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case 1:
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printf("%5c",'\40');
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break;
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case 2:
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printf("%10c",'\40');
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break;
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case 3:
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printf("%15c",'\40');
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break;
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case 4:
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printf("%20c",'\40');
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break;
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case 5:
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printf("%25c",'\40');
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break;
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case 6:
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printf("%30c",'\40');
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break;
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}
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int x=1,y=n2;
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for(i=1,j=n1;i<=50;i++)
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{
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if(i<=day1)
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printf("%5d",i);
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if(i==day1)
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{
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switch((n1+day1)%7)
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{
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case 1:
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printf("%30c",'\40');
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break;
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case 2:
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printf("%25c",'\40');
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break;
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case 3:
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printf("%20c",'\40');
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break;
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case 4:
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printf("%15c",'\40');
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break;
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case 5:
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printf("%10c",'\40');
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break;
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case 6:
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printf("%5c",'\40');
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break;
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}
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}
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if(j%7==6||i==day1&&x!=day2)
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{
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printf("\t\t");
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if(j==6)
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{
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switch(n2)
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{
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case 1:
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printf("%5c",'\40');
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break;
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case 2:
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printf("%10c",'\40');
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break;
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case 3:
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printf("%15c",'\40');
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break;
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case 4:
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printf("%20c",'\40');
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break;
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case 5:
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printf("%25c",'\40');
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break;
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case 6:
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printf("%30c",'\40');
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break;
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}
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}
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while(x<=day2)
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{
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printf("%5d",x);
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if(y%7==6)
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{
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x+=1;
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y+=1;
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break;
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}
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x++;
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y++;
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}
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printf("\n");
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}
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j++;
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}
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int temp=n1;
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n1=(n2+day)%7;
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n2=(temp+day)%7;
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printf("\n--------------------------------------------------------------------------------------------------------\n");
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}
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}
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}
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