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<bits/stdc++.h>
using namespace std;
using ll = long long;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl

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

    // input
    for(;;){
        ll N; cin >> N;

        if(N==0){
            return 0;
        } 

        vector<ll> A(N);
        FOR(i, 0, N){
            cin >> A.at(i);
        }

        sort(ALL(A));
        ll sum = 0;
        ll L = A.size();
        FOR(i, 1, L-1){
            sum += A[i];
        }
        ll mean = sum / (N-2);
        p(mean);
    }
    
    return 0;
}

C++: //include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include<climits>
using namespace std;

//conversion
//------------------------------------------
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(); }

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

//typedef
//------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;

//container util
//------------------------------------------
#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())

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

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

//clear memory
#define CLR(a) memset((a), 0 ,sizeof(a))

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

int getAverageScore(int N, VI S){
	int min = S[0];
	int max = S[0];
	int sum = 0;
	FOR(i, 1, N){
		sum += S[i];
		if (min > S[i]){ min = S[i]; }
		if (max < S[i]){ max = S[i]; }
	}
	sum -= (min + max);
	return sum / N;
}
int main(){
	int N;
	VI S;
	int b;
	int c = INT_MAX;
	while (true){
		cin >> N;
		if (N == 0){ break; }
		if (c != INT_MAX){ cout << endl; }
		REP(i, N){
			cin >> b;
			S.push_back(b);
		}
		c = getAverageScore(N, S);
		cout << c;
		S.clear();
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main(){
        int n, s ;
	while (cin >> n && n > 0){
		int large = 0;
		int small = 1000;
		int sum = 0;
  		for (int i=0; i<n; ++i){
			cin >> s;
			sum = sum + s;
			if (large < s) {large = s;}
			if (small > s) {small = s;}
		}
		int ans = 0;
		ans = (sum - large - small) / (n - 2);
		cout << ans << endl ;
	}
}

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


int main(void){
  while(1){
    int n;
    std::vector<signed int> s;
    std::vector<signed int>::iterator it;

    std::cin >> n;
    if(n == 0) return 0;
    for(int i=0; i < n; i++){
      int inputting;
      std::cin >> inputting;
      s.push_back(inputting);
    }


    int max = -1, min = INT_MAX;
    std::vector<signed int>::iterator maxind;
    std::vector<signed int>::iterator minind;
    for(it = s.begin(); it != s.end(); ++it){
      if(*it > max){
        max = *it;
        maxind = it;
      }
    }
    s.erase(maxind);

    for(it = s.begin(); it != s.end(); ++it){
      if(*it < min){
        min = *it;
        minind = it;
      }
    }
    s.erase(minind);

    int sum = 0, avr;
    for(it = s.begin(); it != s.end(); it++){
      sum += *it;
    }
    std::cout << sum / s.size() << std::endl;
  }
}

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

int main(){
    int n;

    while(true){
        vector<int> point;
        int data;
        int ave=0;

        cin>>n;
        if(n==0){
            break;
        }
        for(int i=0; i<n; i++){
            cin>>data;
            point.push_back(data);
        }
        sort(point.begin(), point.end());
        for(int i=1; i<point.size()-1; i++){
            ave+=point[i];
        }
        cout<<ave/(point.size()-2)<<endl;
    }

    return 0;
}

C++: #include <iostream>
#include <vector>
#include <queue>
#include <stack>
#include <string>
#include <functional>
#include <algorithm>
using namespace std;

typedef long long ll;

vector<int> score;

int main()
{
    int n;
    while(cin >> n && n) {
        score.resize(n);
        for(int i = 0; i < n; i++) 
            cin >> score[i];

        sort(score.begin(), score.end());
        int sum = 0;
        for(int i = 1; i < n - 1; i++) 
            sum += score[i];
             
        cout << sum / (n - 2) << endl;
           
    }
}

C++: #include <iostream>

int main()
{
    int n, s = 0;
    while (std::cin >> n && n > 0) {
        int max, min, sum = 0;
        std::cin >> s;
        max = s;
        min = s;
        sum += s;

        for (int i = 0; i < n - 1; i++) {
            std::cin >> s;
            if (s > max)
                max = s;
            if (s < min)
                min = s;
            sum += s;
        }
        std::cout << (sum - max - min) / (n - 2) << '\n';
    }

    return 0;
}

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

using namespace std;

int main() {
    int n,s;
    while (1) {
        cin >> n;
        if(n==0) break;
        int p = n;
        vector<int> score;
        cin >> s;
        n--;
        score.push_back(s);
        int mins=s,maxs=s,result=0;
        while(n--){
            cin >> s;
            maxs = max(maxs,s);
            mins = min(mins,s);
            score.push_back(s);
        }
        vector<int>::iterator it;
        it = score.begin();
        bool maxf=false,minf=false;
        while(it != score.end()){
            if (((*it)==mins) && (minf == false)) {
                minf = true;
            }
            else if(((*it)==maxs) && (maxf == false)){
                maxf = true;
            }
            else{
                result += (*it);
            }
            it++;
        }
        cout << result/(p-2) << endl;
    }
}

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

int main(){
  int n,s[100];

  while(cin >> n,n){
  for(int i=0;i<n;i++)cin >> s[i];
  sort(s,s+n);
  cout << accumulate(s+1,s+n-1,0)/(n-2) << endl;
 }
}