#include <stdio.h>
 
int main(void) {
	int a;
    printf("请输入一个数字:\n");
    scanf("%d",&a);
    switch(a)
    {
     case 1:
     printf("今天是星期一");
     break;
     case 2:
     printf("今天是星期二");
     break;
     case 3:
     printf("今天是星期三");
     break;
     case 4:
     printf("今天是星期四");
     break;
     case 5:
     printf("今天是星期五");
     break;
     case 6:
     printf("今天是星期六");
     break;
     case 7:
     printf("今天是星期天");
     break;
    }
	return 0;
}
 

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Ng==

6