杭电OJ 2014

2016-10-28（已AC）

#include<stdio.h>int main(void){    int n, i, a[101], sum, max, min, maxid, minid;    double average;    while (scanf("%d", &n) != EOF)    {        sum = 0;        for (i = 0; i<n; i++)            scanf("%d", &a[i]);        max = min = a[0];        maxid = minid = 0;        for (i = 0; i<n; i++)        {            if (min>a[i])            {                min = a[i];                minid = i;            }            if (max<a[i])            {                max = a[i];                maxid = i;            }        }        a[minid] = 0;        a[maxid] = 0;        for (i = 0; i<n; i++)            sum = sum + a[i];        average = (double)sum / (n - 2);        printf("%.2lf\n", average);    }    return 0;}