Go: // ICPC 得点集計ソフトウェア
// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1147&lang=jp
package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)

	for	{
		n := nextInt(sc)
		if n == 0 { break }

		score_list := []int{}
		for i := 0; i < n; i++ {
			score_list = append(score_list, nextInt(sc))
		}

		// 最低点と最高点を取り除く (3 ≤ n ≤ 100)
		sort.Sort(sort.IntSlice(score_list))
		score_list = score_list[1:len(score_list)-1]

		// 平均点を求める
		sum := 0
		for _, score := range score_list {
			sum += score
		}
		fmt.Println(sum / len(score_list))
	}
}

func nextInt(sc *bufio.Scanner) int {
	sc.Scan()
	i, err := strconv.Atoi(sc.Text())
	if err != nil {
		panic(err)
	}
	return i
}

C++: #include<iostream>
using namespace std;
int main(){
while(true){
int n;
if(n == 0)return 0;
cin >> n;
int a[n];
for(int i = 0; i < n; i++)
cin >> a[i];

int max = 0;
int min = 1000;
int sum = 0;

for(int i = 0 ; i <= n ; i++){
	if(a[i] > max)
	max = a[i];
	if (a[i] < min)
	min = a[i];
	sum += a[i];
}
cout << (sum-max-min)/(n-2);

}
}

C++: #include <iostream>
#include <stdlib.h>
using namespace std;
int N, S;
int main()
{
  while (cin >> N && N > 0){
    if (N<3 || N>100)
      exit (1);
    int sum = 0;
    int largest = 0;
    int smallest =1000;   
 for (int i=0; i<N; ++i){
      cin >> S;
      if (S<0 || S>1000)
        exit (2);
      sum += S;
      if (largest < S)
        largest=S;
      if (smallest > S)
        smallest=S;
    }
    int average = 0;
    average = (sum - largest - smallest) / (N - 2);
    cout << "Average:";
    cout << average << endl;
  }
}

C++: #include<iostream>
using namespace std;
int main(){
int judge;
int maxscore =0;
int minscore =0;
int maxnum=0;
int minnum=0;
cin >> judge;
int score[judge];
	for(int i=0; i<judge; i++){
	cin >> score[i];
		if(score[i] > maxscore){
		maxscore = score[i];
		i=maxnum;
		}
		if(score[i] < minscore){
		minscore = score[i];
		i = minnum;
		}
	}
score[maxnum] = 0;
score[minnum] = 0;
int lastscore = 0;
for(int j=0;j<judge;j++){
lastscore += score[j];
}
lastscore = lastscore/(judge - 2);
cout << lastscore <<endl;
return 0;
}

C++: #include <bits/stdc++.h> // only for GCC
using namespace std;

inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

template<class T> inline T sqr(T x) {return x*x;}

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef unsigned long long ULL;

#define ALL(a)  (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)

const double EPS = 1e-10;
const double PI  = acos(-1.0);

#define CLR(a) memset((a), 0 ,sizeof(a))

#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

int dx[8] = {-1, 0, 1, 0, -1, -1, 1, 1};
int dy[8] = {0, -1, 0, 1, -1, 1, -1, 1};

int main() {
  int n;

  while(cin >> n, n) {
    VI s;  
    REP(i, n) {
      int x;
      cin >> x;
      s.PB(x);
    }

    sort(ALL(s));
    int sum = 0;
    FOR(i, 1, n-1) sum += s[i];
    int ans = sum / (n-2);
    cout << ans << endl;
  }
  
}

C++: #include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <cmath>
#include <string>
#include <sstream>
#include <iomanip>
#include <complex>
using namespace std;
 
#define ll long long
#define vvi vector< vector<int> >
#define All(X) X.begin(),X.end()
#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define pb push_back 
ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
ll lcm(ll a,ll b){return a/gcd(a,b)*b;}
 
int main(){
  int n, cmax = 10000, cmin = -1;
  int sum=0,a;
  while(cin >> n, n){
    REP(i,n){
      cin >> a ;
      cmax = (cmax,a);
      cmin = (cmin,a);
      sum += a;
    }
    cout << (sum-cmax-cmin)/(n-2) << endl;
  }
  return 0;
}

C++: #include <iostream>
#include <bitset>
#include <fstream>
#include <string>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <vector>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <functional>
#include <cctype>
#include <list>
#include <limits>
//#include <boost/multiprecision/cpp_int.hpp>

const double EPS = (1e-10);


using namespace std;
using Int = long long;
//using namespace boost::multiprecision;

const Int MOD = 1000000007;

Int mod_pow(Int x, Int n) {
    Int res = 1;
    while(n > 0) {
        if(n & 1) res = (res * x) % MOD; //ビット演算(最下位ビットが1のとき)
        x = (x * x) % MOD;
        n >>= 1; //右シフト(n = n >> 1)
    }
    return res;
}

//最大公約数
template<typename T>
T gcd(T a, T b) {
    return b != 0 ? gcd(b, a % b) : a;
}

//最小公倍数
template<typename T>
T lcm(T a, T b) {
    return a * b / gcd(a, b);
}

vector<int> ans;
int solve(int N){
    int ma = -1;
    int mi = 1001;
    int sum = 0;
    for (int i = 0; i < N; i++){
        int s; cin >> s;
        sum += s;
        mi = min(mi, s);
        ma = max(ma, s);
    }
    return (sum - mi - ma)/(N-2);
}

int main(){
    cin.tie(0);

    int N;
    while (1){
        cin >> N;
        if (!N) break;
        ans.push_back(solve(N));
    }
    for (auto itr = ans.begin(); itr != ans.end(); itr++){
        cout << *itr << endl;
    }

}

C++: //#i#include "pch.h"
#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <limits.h>
#include <string>
#include <stack>
#include <deque>
#include <cmath>
#include <bitset>
#include <complex>
#include <functional>
#include <time.h>
#include <stdio.h>

typedef long long ll;
typedef std::pair<int, int> Pii;
typedef std::pair<long long, long long> Pll;
typedef std::pair<double, double> Pdd;

#define rip(i, n, s) for (int i = (s);i < (int)( n ); i++)
#define mapa make_pair
#define all(a) a.begin(), a.end()
#define MM << " " <<

template<typename T>
using MaxHeap = std::priority_queue<T>;
template<typename T>
using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T> >;

template<typename T>
inline bool chmax(T &a, T b) {
	if (a < b) {
		a = b;
		return true;
	}
	return false;
}
template<typename T>
inline bool chmin(T &a, T b) {
	if (a > b) {
		a = b;
		return true;
	}
	return false;
}

template<typename T>
std::vector<T> vec(int len, T elem) { return std::vector<T>(len, elem); }
template<typename T>
void vdeb(std::vector<T> &da) {
	for (int i = 0;i < da.size();i++) {
		if (i == da.size() - 1) std::cout << da[i];
		else std::cout << da[i] << ' ';
	}
	std::cout << std::endl;
}
template<typename T>
void vdeb(std::vector<std::vector<T> > &da) {
	for (int i = 0;i < da.size();i++) vdeb(da[i]);
	std::cout << std::endl;
}

using namespace std;

int solve(int n){
	int ret = 0, x,ma = 0,mi = 10000;
	rip(i,n,0){
		cin >> x;
		ret += x;
		chmax(ma,x);
		chmin(mi,x);
	}
	ret -= ma+mi;
	return ret/(n-2);
}

int main(){
	int n;
	cin >> n;
	vector<int> ans(0);
	while(n){
		ans.push_back(solve(n));
		cin >> n;
	}
	rip(i,ans.size(),0) cout << ans[i] << endl;
}