10-13.cpp

来自「清华大学谭浩强C程序设计（第3版）程序源代码」· C++ 代码 · 共 24 行

#include <stdio.h>
void 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);                
}
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));
      }