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3-b13.c
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3-b13.c
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/*软件 1953609 王灏廷*/
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
int year, month, week;
int tag = 0;
int a = 0;
while (1) {
printf("请输入年份(2000-2030)和月份(1-12) : ");
a=scanf("%d %d",&year,&month);
if (a <2)
{
printf("输入非法 ，请重新输入\n");
while (getchar() != '\n')
;
continue;
}
if (year >= 2000 && year <= 2030 && month >= 1 && month <= 12)
{
while (1)
{
printf("请输入%d年%d月1日的星期(0-6表示星期日-星期六) : ",year,month);
a=scanf("%d", &week);
if (a <= 0)
{
printf("输入非法 ，请重新输入\n");
while (getchar() != '\n')
;
continue;
}
if (week >= 0 && week <= 6)
{
printf("\n");
printf("%d年%d月的月历为:\n", year, month);
printf("星期日 星期一 星期二 星期三 星期四 星期五 星期六\n");
switch (week)
{
case 0:
printf("%4d", 1);
printf("%8d", 2);
printf("%8d", 3);
printf("%8d", 4);
printf("%8d", 5);
printf("%8d", 6);
printf("%8d", 7);
tag = 8;
break;
case 1:
printf("%12d", 1);
printf("%8d", 2);
printf("%8d", 3);
printf("%8d", 4);
printf("%8d", 5);
printf("%8d", 6);
tag = 7;
break;
case 2:
printf("%20d", 1);
printf("%8d", 2);
printf("%8d", 3);
printf("%8d", 4);
printf("%8d", 5);
tag = 6;
break;
case 3:
printf("%28d", 1);
printf("%8d", 2);
printf("%8d", 3);
printf("%8d", 4);
tag = 5;
break;
case 4:
printf("%36d", 1);
printf("%8d", 2);
printf("%8d", 3);
tag = 4;
break;
case 5:
printf("%44d", 1);
printf("%8d", 2);
tag = 3;
break;
case 6:
printf("%52d", 1);
tag = 2;
break;
default:
break;
}
if (month == 1 || month == 3 || month == 5 || month == 7 || month == 8 || month == 10 || month == 12)
{
for (int i = tag; i <= 31; i++)
{
if ((i - tag) % 7 != 0)
printf("%8d", i);
else
printf("\n%4d", i);
}
printf("\n");
break;
}
else if (month == 4 || month == 6 || month == 9 || month == 11)
{
for (int i = tag; i <= 30; i++)
{
if ((i - tag) % 7 != 0)
printf("%8d", i);
else
printf("\n%4d", i);
}
printf("\n");
break;
}
else if (month == 2)
{
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
for (int i = tag; i <= 29; i++)
{
if ((i - tag) % 7 != 0)
printf("%8d", i);
else
printf("\n%4d", i);
}
else
for (int i = tag; i <= 28; i++)
{
if ((i - tag) % 7 != 0)
printf("%8d", i);
else
printf("\n%4d", i);
}
printf("\n");
break;
}
}
else
{
printf("输入非法 ，请重新输入\n");
continue;
}
}
}
else
{
printf("输入非法 ，请重新输入\n");
continue;
}
break;
}
return 0;
}