Go: package main

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

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

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

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

		score_list := []int{}
		for i := 0; i < num; i++ {
			score_list = append(score_list, nextInt(sc))
		}
		// 得点リストをソートした後、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]
		// 得点リストの得点を合計し、スライスの個数で割って平均点を出す
		sum := 0
		for _, score := range score_list {
			sum += score
		}
		fmt.Println(sum / len(score_list))
	}
}

C++: #include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <queue>
#include <stack>
#include <set>
#include <ctime>
#include <iterator>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>
using namespace std;

int main()
{
    int n;
    while(cin>>n)
    {
        int sum = 0;
        int mini = 10000000;
        int maxi = 0;
        for(int c=0;c<n;c++)
        {
            int z;
            cin>>z;
            mini = min(mini,z);
            maxi = max(maxi,z);
            sum += z;
        }
        cout<<(sum-mini-maxi)/(n-2)<<endl;
    }
}

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

C++: #include<iostream>
using namespace std;
int main(){
    register int n,i;
    while(cin >> n,n){
		register int p;
        register int min = 1000;
        register int max = 0;
		register int total = 0;
		for(int i=0;i<n;i++){
			cin >> p;
			if(p > max) max = p;
			if(p < min) min = p;
			total += p;
        }
        cout << (total-max-min)/(n-2) << "\n";
    }
}

C++: #include<iostream>
#include<vector>

int main(){
	while(1){
		int n,score=0;
		std::cin>>n;
		if(n==0)break;
		std::vector<int>v(n);
		for(int i=0;i<n;i++)std::cin>>v[i];
		for(int i=0;i<n;i++){
			for(int j=0;j<n-1;j++){
				if(v[j]>v[j+1]){
					v[j]^=v[j+1];
					v[j+1]^=v[j];
					v[j]^=v[j+1];
				}
			}
		}
		for(int i=1;i<n-1;i++)score+=v[i];
		std::cout<<score/(n-2)<<std::endl;
	}
	return 0;
}

C++: #include<bits/stdc++.h>
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
using namespace std;
typedef long long ll;
int INF = (1LL << 30) - 1;
int MOD = 1e9+7;
main(){
    int N;
    cin >> N;
    while(N){
        int sum = 0,a,maxi = 0,mini = INF;
        rep(i,0,N){
            cin >> a;
            sum += a;
            maxi = max(maxi, a);
            mini = min(mini, a);
        }
        sum -= (maxi + mini);
        cout << sum / (N - 2) << endl;
        cin >> N;
    }
}

C++: #include <iostream>
#include <cmath>

using namespace std;

void find_max(int data[], int N){
  int flag = -1;
  int max = 0;
  for (int i=0; i<N; ++i){
    if (max < data[i]){
      max = data[i];
      flag = i;
    }
  }
  data[flag] = 0;
}

void find_min(int data[], int N){
  int flag = -1;
  int min = 1000000;
  for (int i=0; i<N; ++i){
    if (min > data[i]){
      min = data[i];
      flag = i;
    }
  }
  data[flag] = 0;
}

int main(void){
  int n;
  while (cin >> n){
    if (n == 0){
      return -1;
    }
    
    int data[20];
    
    for (int i=0; i<n; ++i){
      cin >> data[i];
    }
    cout << "finish" << endl;
    find_min(data, n);
    find_max(data, n);
    int sum = 0;
    for (int i=0; i<n; ++i){
      sum += data[i];
    }
    int total = floor((double)sum/(n-2));
    cout << total << endl;
  }
  return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<vector>
using namespace std;

int main()
{
  int n;
  while(cin >> n, n){
    vector<int> s(n);
    for(int i = 0; i < n; i++) cin >> s[i];
    sort(s.begin(), s.end());

    int sum = 0;
    int i;
    for(i = 1; i < n - 1; i++) sum += s[i];
    cout << sum / (i - 1) << endl;
  }

    return 0;

}

C++: // warm heart, wagging tail,and a smile just for you!
//                                                                     ███████████
//                                                                   ███╬╬╬╬╬╬╬╬╬╬███
//                                                                ███╬╬╬╬╬████╬╬╬╬╬╬███
//                                            ███████████       ██╬╬╬╬╬████╬╬████╬╬╬╬╬██
//                                      █████████╬╬╬╬╬████████████╬╬╬╬╬██╬╬╬╬╬╬███╬╬╬╬╬██
//                               ████████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬██╬╬╬╬╬╬╬██
//                             ████╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████████╬╬╬╬╬╬╬╬╬╬╬██
//                           ███╬╬╬█╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬███╬╬╬╬╬╬╬█████
//                         ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬████████╬╬╬╬╬██
//                       ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬╬╬╬╬███
//                     ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬██
//                 ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬████
//     █████████████╬╬╬╬╬╬╬╬██╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬██████
//   ████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬██████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████╬╬╬╬╬╬╬███████████╬╬╬╬╬╬╬╬██╬╬╬██╬╬╬██
// ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████╬╬╬╬╬╬╬╬╬╬╬█╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬██
// ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬▓▓▓▓▓▓╬╬╬████╬╬████╬╬╬╬╬╬╬▓▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬███
// ██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██████▓▓▓▓▓▓▓╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬▓▓▓▓▓▓▓██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██╬╬╬╬█████
// ███╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████████
//   ███╬╬╬╬╬╬╬╬╬╬╬╬╬█████╬╬╬╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬███╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬██
//       ██████████████  ████╬╬╬╬╬╬███████████████████████████╬╬╬╬╬██╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬████
//                         ███████                           █████  ███████████████████
#include "bits/stdc++.h"
using namespace std;
#define MOD 1000000007
//#define MOD 998244353
const double EPS = 1e-9;
#define INF (1LL<<60)
#define D double
#define fs first
#define sc second
#define int long long
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i = (b-1);i>=a;i--)
#define REP(i,n)  FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define ITR(itr,mp) for(auto itr = (mp).begin(); itr != (mp).end(); ++itr)
#define RITR(itr,mp) for(auto itr = (mp).rbegin(); itr != (mp).rend(); ++itr)
#define range(i,a,b) ((a)<=(i) && (i)<(b))
#define debug(x)  cout << #x << " = " << (x) << endl;
#define SP << " " << 
typedef pair<int,int> P;
typedef vector<vector<P> > Graph;
typedef vector<int> vec;
typedef vector<vector<int>> mat;

signed main(){
  ios::sync_with_stdio(false);
  cin.tie(0);

  int n;
  while(cin >> n, n){
    vector<int> a(n);
    REP(i,n) cin >> a[i];

    sort(a.begin(),a.end());
    cout << (accumulate(a.begin(),a.end(),0LL) - a[0] - a[n-1])/(n-2) << endl;
  }

  return 0;
}