8.12.cpp

c入门代码大全

//形参数组不定义长度
#include<stdio.h>
int main()
{
    float average(float array[],int n);
    float score_1[5]={98.4,97,91.5,60,55};
    float score_2[10]={67.5,33,44,55,88,78,12,34,54,89 };
    printf("the average of class A is%f\n",average(score_1,5));
    printf("the average of class B is %f\n",average(score_2,10));
    getchar();
    getchar();
} 
float average(float array[],int n)
{
      int i;
      float aver,sum=array[0];
      for(i=0;i<n;i++)
       sum=sum+array[i];
       aver=sum/n;
       return(aver);
}