编辑代码

#include <stdio.h>
# define N 20
int main () 
{
    float juice [N],cap,sum;

    printf("*********\n录入每个学生的学号和考试成绩：\n*********\n");

    for (int k = 0;k < N;k++)
    {
        printf("学生的学号20160%d:",k+1);
        scanf ("%f",&juice[k]) 
        if (juice[k] > 0)
        {
            
        }
        
    }

   for (int t =0;t < N;t++)
   {
    for (int e = t + 1;e < N;e++)
    {
        if (juice[t] < juice[e])
        {
            cap = juice[t];
            juice[t] = juice[e];
            juice[e] = cap;
        }
    }
   }

   for(int x =1; x < N-1;x++ )
   {
       sum += juice[x];
   }
   double arv;
   arv = sum / 8;
   printf("\n该歌手最终得分：%f\n",arv);
}