C语言的:
#include<stdio.h>
void main()
{
int num;
while(1)
{
printf("输入1-7\n");
scanf("%d",&num);
while(1)
{
if (1<=num<=7) break;
else printf("重新输入\n");
scanf("%d",&num);
}
switch (num)
{
case 1: printf("monday");break;
case 2: printf("tuesday"); break;
case 3: printf("wednesday");break;
case 4: printf("thursday"); break;
case 5: printf("friday");break;
case 6: printf("saturday"); break;
case 7: printf("sunday"); break;
}
}
}
这个能做吗?
c语言 求方程 ax的平方+bx=0的解
追答请把上一个采纳了