250 lines
4.4 KiB
C++
250 lines
4.4 KiB
C++
#include<stdio.h>
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void fun(void);
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int year;
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int shiji;
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int yue;
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int ri;
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int w;//星期
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int y; //年份后两位
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void getday(int first_day[],int y);
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void shuchurili(int days[],int first_day[]);
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int main()
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{{
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int a;
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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");
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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");
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scanf("%d",&a);
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if(a==1)
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{
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scanf("%d-%d-%d",&year,&yue,&ri);
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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))
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{{
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printf("输入错误，请重新输入：");
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scanf("%d-%d-%d",&year,&yue,&ri);
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} }else {
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if(yue<3)
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{
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year--;
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yue+=12;
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}
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shiji=(year/100);
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y=year%100;
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w=shiji/4-2*shiji+y+y/4+13*(yue+1)/5+ri-1;
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if(w%7==0)
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printf("星期7");
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else
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printf("星期%d ",w%7);
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if((year%4==0&&year%100!=0)||(year%400==0))
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printf("闰年");
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else
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printf("非闰年");
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}
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}}
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//第二部分
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if(a==2)
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{
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//单双列输出选择
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printf("请选择您要输出的格式\n");
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printf("单列输出请按1\n");
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printf("双列输出请按2\n");
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int b;
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scanf("%d",&b);
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if(b==1)
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{
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int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
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int first_day[12]={0};
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int year=0;
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int i=0;
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int a=1;
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while(a)
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{
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printf("请输入年份：");
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scanf("%d",&year);
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//报错
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if(year<=0)
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{
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printf("输入错误，请重新输入：");
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scanf("%d",&year);
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}
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--a;
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}
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//获取该年每个月所属星期
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getday(first_day,year);
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if((year%4==0&&year%100!=0)||(year%400==0))
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days[1]=29;
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//输出日历
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shuchurili(days,first_day);
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return 0;
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}else
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//双列输出
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{
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int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
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int first_day[12]={0};
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int year=0;
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int i=0;
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int a=1;
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while(a)
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{
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printf("请输入年份：");
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scanf("%d",&year);
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//报错
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if(year<=0)
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{
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printf("输入错误，请重新输入：");
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scanf("%d",&year);
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}
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--a;
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}
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//获取该年每个月所属星期
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getday(first_day,year);
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if((year%4==0&&year%100!=0)||(year%400==0))
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days[1]=29;
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//输出日历
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shuchurili(days,first_day);
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return 0;
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}
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}
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return 0;
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}
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void getday(int first_day[],int y)
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{
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int m=0;
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int d=1;
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int w=0;
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for(m=3;m<=12;m++)
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{
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w=(d+1+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7;
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first_day[m-1]=w;
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}
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y-=1;
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for (m=13;m<=14;m++)
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{
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w = (d+1+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7;
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first_day[m-13] = w;
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}
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}
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void shuchurili(int days[],int first_day[])
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{
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int dyt=0;
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int d=0,i=0,j=0;
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for(i=0;i<12;i++)
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{
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dyt=first_day[i];
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printf(" %2d 月 \n", i+1);
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printf(" 日 一 二 三 四 五 六 \n");
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//1号前的空格
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//改后
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for(j=0;j<dyt;j++)
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printf(" ");
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for(d=1;d<=days[i];d++)
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{
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printf(" %2d",d);
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if((d+dyt)%7==0)
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printf("\n");
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}
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printf("\n");
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}
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}
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/*
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//第二部分
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#include<string.h>
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//判断闰年的函数
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int isleapyear(int year)
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{
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return ((year%4==0&&year%100!=0)||(year%400==0));
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}
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//计算每月天数的函数
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int month(int year,int yue)
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{
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int run[]={0,31,28,31,30,31,30,31,31,30,31,30,31};
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if(yue==2&&isleapyear(year))
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{
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return 29;
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}
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return run[yue];
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}
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//计算给定日期是星期几（蔡勒公式）
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int week(int year,int yue,int ri)
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{
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if(yue<3)
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{
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year--;
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yue+=12;
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}
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shiji=(year/100);
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y=year%100;
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w=shiji/4-2*shiji+y+y/4+13*(yue+1)/5+ri-1;
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return (w%7+7)%7;
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}
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//输出日历函数
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void rili(int year)
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{
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char *week[]={"一","二","三","四","五","六","日"};
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scanf("&d-%d-%d",&year,&yue,&ri);
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for(yue=1;yue<=12;yue++)
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{
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int i;
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printf("%d ",yue);
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for(i=0;i<7;i++)
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printf("%s",week[i]);
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printf("\n");
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int w=week(year,yue,1);//w为每月第一日是星期几
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int jx=month(year,yue);
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char a[w]={"0"};
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char b[][7];//输出日期的数组
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if((year%4==0&&year%100!=0)||(year%400==0))
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{
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for(int n=0;n<7;n++)
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{
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for(int m=1;m<jx;m++)
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{
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for(int e=1;e<jx;e++)
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b[m][n]='e';
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}
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}
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for(int m=0;m<6;m++)
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{
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for(int n=0;n<7;n++)
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printf("%d",a[m][n]);
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printf("\n");
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}
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}
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}
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}
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*/
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