#include <stdio.h>
int main()
{
int score, degree ;
printf("please input score:");
scanf_s("%d", &score);
while (score < 0 || score >100)
{
printf("score is illegal!\n");
continue;
}
if(score>=0&&score<=100)
{
degree = (int)(score / 10);
switch (degree)
{
case 10:
printf("corresponding degree is A\n");
break;
case 9:
printf("corresponding degree is A\n");
break;
case 8:
printf("corresponding degree is B\n");
break;
case 7:
printf("corresponding degree is C\n");
break;
case 6:
printf("corresponding degree is D\n");
break;
default:
printf("corresponding degree is E\n");
break;
}
}
return 0;
}
结果是这样的
输入大于100的数这个score is illegal!就一直停不下来了
怎么改成就只有一个score is illegal然后再让我输入score再运行