#include<stdio.h>
#define MAX_NUM 100
void main()
{   
   struct grade                 
   {
       char name[20];
       int yuyan;                  
   };
  typedef struct grade node;
    node student[10];   
   int i,a;
   int num;                     
    float stu_ave;  
       const int stu_num = 10;
    float score[MAX_NUM];
    char degree[][10] = {"不及格", "及格", "中等", "良好", "优秀"};
    int statistics[5] = {0};
    int distribution[11] = {0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 4};
    float sum = 0.0;
   printf("★★★★★★★★★欢迎进入学生单科成绩管理系统★★★★★★★★★\n\n");
   printf("请输入学生人数.(小于10) ==> ");
   scanf("%d",&num);  
   i=0;
   while(i<num)
   {
      printf("学生编号: %d\n",i + 1);
      printf("请输入学生姓名. ==> ");
      scanf("%s",&student[i].name[i]);  
      printf("请输入C语言成绩. ==> ");
      scanf("%d",&student[i].yuyan);     
      ++i;
 }
        for (i = 0; i < num; i++)
   {
        sum += student[i].yuyan;
     }

     printf("\n平均分：%.2f\n\n", sum / num);
    for (i = 0; i < num; i++)
        statistics[distribution[(int)(student[i].yuyan / 10)]]++;

    printf("等级统计：\n");
    for (i = 0; i < 5; i++)
    printf("%s:\t%d人\t%.1f%%\n", degree[i], statistics[i], 100 * (float)statistics[i]/num);
        }

如何把上述的數組寫的改成指針寫的形式？好心人幫忙看下。

不能跑。。你把整個改寫出來啊，我參考參考。。