#include <stdio.h>
int main()
 {void average(float *p,int n);
  void search(float (*p)[4],int n);
  float score[3][4]={{65,67,70,60},{80,87,90,81},{90,99,100,98}};
  average(*score,12);          
  search(score,2); 
  return 0;
 }

void average(float *p,int n)
  {float *p_end;
   float sum=0,aver;
   p_end=p+n-1;
   for(;p<=p_end;p++)
     sum=sum+(*p);
   aver=sum/n;
   printf("average=%5.2f\n",aver);
  }

void search(float (*p)[4],int n)
  {int i;
   printf("The score of No.%d are:\n",n);
   for(i=0;i<4;i++)
     printf("%5.2f ",*(*(p+n)+i));
   printf("\n");
  }