struct student
{  long int number;
   char name[10];
   float s[5];
 }stu[N]={{10010,"lin",1,1,1,1,1},
          {10011,"huang",0,0,0,0,0},
          {10012,"cheng",2,2,2,2,2}
};
void Statistics()
 {  int i,j,m=0,b=0,a[5],d[5];
    float k=60,c=80;

    for (j=0;j<5;j++)
   {for (i=0;i<3;i++)
    {if (stu[i].s[j]<k)
        {printf("||number||name ||\n");
        printf("||%ld ||%s  ||\n",stu[i].number,stu[i].name);
              m++;}
              a[j]=m;
    printf("the student don't pass exam%d's number=:%d\n",j,a[j]);
          }
      for (j=0;j<5;j++)
   {for (i=0;i<3;i++)
    {if (stu[i].s[j]>c)
        {printf("||number||name ||\n");
        printf("||%ld ||%s  ||\n",stu[i].number,stu[i].name);
               b++;}
              d[j]=b;

           printf("the student don't pass exam%d's number=:%d\n",j,d[j]);
           }

 }

#include<stdio.h>
struct student
{  long int number;
   char name[10];
   float s[5];
}stu[3]={{10010,"lin",15,85,32,69,52},
    {10011,"huang",85,65,74,75,89},
{10012,"cheng",74,85,96,87,98}};

void main()
{
   int i,j,m=0,b=0;
   for (i=0;i<3;i++)
       for (j=0;j<5;j++)
       {
           if (stu[i].s[j]<60)
           {
               m++;
               printf("number       name        \n");
               printf("%ld          %s      \n",stu[i].number,stu[i].name);
           }
       }
           printf("the student don't pass exam have:%d\n",m);
       for (i=0;i<3;i++)
           for (j=0;j<5;j++)
           {
               if (stu[i].s[j]>80)
               {
                   b++;
                   printf("number       name       \n");
                   printf("%ld          %s        \n",stu[i].number,stu[i].name);
               }
           }
               printf("the student  pass exam have:%d\n",b);
}

   我一直有疑问  为什么非要用结构体做呢

可以用数组