请问一下哪一步错了 我怎么输不出来正确答案呢?
#include<stdio.h>
#include<math.h>
int main(void)
{
int Math,English;
int average;
printf("Enter Math,English:");
scanf("%d %d",&Math,&English);
printf("%d=(%d+%d)/2",&average,&Math,&English);
switch(average)
{
case 100:
printf("excellence");
break;
case 90:
printf("excellence");
break;
case 80:
printf("all right");
break;
case 70:
printf("midding");
break;
case 60:
printf("pass");
break;
default:
printf("fail");
return 0;}
}