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]);
           }

 }