...一个函数int fun(float s[],int n)。它的功能是求低于平均分的人数...答:include<stdio.h> int fun(float s[],int n){ int i,r=0;float sum=0;for(i=0;i<n;i++)sum+=s[i];sum/=n;for(i=0;i<n;i++)if(s[i]<sum)r++;return r;} void main(){ float a[10]={1,2,3,4,5,6,7,8,9,10};printf("count=%d\n",fun(a,10));} ...