s5_6.c

水电出版社的《C/C++程序设计教程》源代码

float average (array,n)
float array[10];
int n;
{ int i;
  float aver,sum=array[0];
  for(i=1;i<n;i++)
    sum+=array[i];
  aver=sum/n;
  return(aver);
}
main()
{ static float score1[5]={98.5,97,91.5,60,55};
  static float score2[10]={67.5,89.5,99,69.5,77,89,76.5,54,60,99.5};
  printf("the average of class A is %6.2f\n",average(score1,5));
  printf("the average of class B is %6.2f\n",average(score2,10));
}