成绩等级 A、B、C、D、F 转换

#include
int main(){
int grade;
printf(“请输入您的成绩”);
scanf("%d",&grade);
grade/=10;
switch(grade){
case 10:
case 9:
printf(“A\n”);
break;
case 8:
printf(“B\n”);
break;
case 7:
printf(“C\n”);
break;
case 6:
printf(“D\n”);
break;
default:
printf(“F\n”);
}
return 0;
}