第3个回答 推荐于2016-06-16
#include <stdio.h>
int main(void)
{
int score;
int grade;
char result;
scanf("%d",&score);
grade = score / 10;
switch(grade)
{
case 10:
case 9: result = 'A';
break;
case 8: result = 'B';
break;
case 7: result = 'C';
break;
case 6: result = 'D';
break;
default: result = 'E';
break;
}
printf("%c\n",result);
return 0;
}本回答被网友采纳