#include <stdio.h>
int main( )
{float score;
char grade;
printf("请输入学生成绩:");
scanf("%f",&score);
while(score>100||score<0)
printf("\n输入有误,请重输:");
scanf("%f",&score);
}
switch((int)(score/10))
{case 10:break;
case 9:grade='A':break;
case 8:grade='B':break;
case 7:grade='C':break;
case 6:grade='D':break;
case 5:
case 4:
case 3:
case 2:
case 1:
case 0:grade='E';
}
printf("成绩是%5.1f,相应的等级是%c\n",score.grade);
return 0;
}
switch这一行总是报错,网上查到的都没用,求问
报错内容,expected unqualified-id before 'switch'