函数fun()的功能是:用选择法对数组中的n个元素按从大到小的顺序进行排序...答:include<stdio.h> define N 20 void fun(int a[],int n){ int i,j,t,p;for(j=0;j<n;j++){ ___p=j___;for(i=j; ___i<n___;i++)if(a[i]>a[p])__p=i___;t=a[p];a[p]=a[j];a[j]=t;} } main(){ int a[N]={11,32,-5,2,14},i,m=5;printf(...