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++: #pragma GCC optimize("O3")
#include<bits/stdc++.h> 
using namespace std;
using ll=long long;
typedef  unsigned long long int ull;
typedef pair<ll,ll> P;
template<class T> using V=vector<T>; 
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
const ll inf=(1e18);
//const ll mod=998244353;
const ll mod=1000000007;
//ios_base::sync_with_stdio(false);
//cin.tie(NULL);
ll gcd(ll a,ll b) {return b ? gcd(b,a%b):a;}
ll lcm(ll c,ll d){return c/gcd(c,d)*d;}
struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init;
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 (a>b) { a=b; return 1; } return 0; }
int main(){
    int n;
  while(1){
   cin>>n;
   if(n==0)return 0;
   V<ll> a(n);
   ll sum=0;
   for(int i=0;i<n;i++){cin>>a[i];sum+=a[i];}
   sort(all(a));
   sum-=(a[0]+a[n-1]);
   cout<<sum/(n-2)<<endl;

  }
 
}

C++: #include<bits/stdc++.h>

using namespace std;

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

C++: #include<iostream>
 
using namespace std;
 
int main(){
    while( true ){
        int n;
        int ma = 0;
        int mi = 1000;
        int s = 0;
        cin >> n;

        if (n == 0){
            break;
        }

        int a[n];

        for(int i = 0; i < n; i++){
            cin>>a[i];

            if (a[i] < mi){
                mi = a[i]
            }
            
            if (a[i] > ma){
                ma = a[i]
            }
        }

        for(int i = 0; i < n; i++){
            s += a[i];
        }

        cout << (s - ma - mi) / (n-2) << endl;

    }   
    return 0; 
}

C++: #include<algorithm>
#include<iostream>
#define rep(i,a) for(int i=0;i<(a);++i)

int n;

int main()
{
	while( std::cin >> n )
	{
		int ma = 0, mi = 1001, S = 0;
	
		rep( i, n )
		{
			int a;
			std::cin >> a;
			ma = std::max( ma, a );
			mi = std::min( mi, a );
			S += a;		
		}
		
		std::cout << S-ma-mi << std::endl;
	}

	return 0;
}

C++: #include <iostream>
using namespace std;
int main() {
  int a,n,sum,min,max,i;
  while(1){
  cin >>n;
  if (n==0){
    break;
  }
  cin >>min;
  min=sum;
  min=max;
  for (i=0;i<n-1;i++){
    cin>>a;
    sum=sum+a;
    if(min>a){
      min=a;
    }
    if(max<a){
      max=a;
    }
  }
  cout <<(sum-max-min)/n<<endl;
  }
  return 0;
}

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

using namespace std;
int main(){
	int n, max;
	int *score;

	while(1){
		cin >> n;
		if(n==0){
			break;
		}else{
			max = 0;
			score = new int[n];
			for(int i=0; i<n; i++){
				cin >> score[i];
			}
			sort(score, score+n);
			for(int i=1; i<n-1; i++){
				max += score[i];
			}
			cout << max/(n-2) << endl;

			delete [] score;
		}
	}

	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<algorithm>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    while(1){
        vector<int> point;
        int n,x;
        long long sum=0;
        cin >> n;
        if(n==0)    break;
        while(n--){
            cin >> x;
            point.push_back(x);
        }
        sort(point.begin(),point.end());
        for(int i=1;i<point.size()-1;i++){
            sum+=point[i];
        }
        cout << sum/(point.size()-2) << "\n";
        point.clear();
    }
}

C++: #include <stdio.h>
#include <float.h> 
int main(void){	
  int n[10];	
  int a[1000];	
  int i,j,max[10],min[10],suma[10],sumb[10],ave[10]; 
  for(i = 0;;i++){  
    scanf("%d",&n[i]);
    if(n[i]==0)break;  
    for(j=0 ; j<n[i] ;j++){ 
      scanf("%d",&a[j]);
    } 
    max[i] = a[0];
    min[i] = a[0];
    suma[i] = 0; 
    for(j=0 ; j<n[i] ; j++){
      if(a[j] >= max[i]){
	max[i] = a[j];
      }
      if(a[j] <= min[i]){
	min[i] = a[j];
      }
      suma[i] += a[j];
    }
  } 

  for(j = 0;j < i;j++){
    sumb[j] = suma[j]-max[j]-min[j]; 
    n[j] -= 2;
    ave[j] = sumb[j] / n[j] ;
    printf("%d\n",ave[j]);    
  }
  return 0;
  
}

C++: #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define debug(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl;
#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define FORR(i,a,b) for(int i=(int)(b)-1;i>=(int)(a);i--)
#define CHMIN(a,b) (a) = min((a),(b))
#define CHMAX(a,b) (a) = max((a),(b))

int main()
{
    int in;
    int num;
    int ans=0;
    int point[105]={};
    while(1==1)
    {
        
        scanf("%d\n",&in);
        if(in==0)return 0;
        num=in;
        ans=0;
        REP(i,num)
        {
            scanf("%d\n",&point[i]);
            ans+=point[i];
        }
        sort(&point[0],&point[num]);
        ans-=(point[0]+point[num-1]);
        printf("%d\n",ans);
    }
    return 0;
}

C++: #include<stdio.h>

int main(){

  int n,a[105],sum,min,max,i;
  double ave;
  printf("suc");
  for(i=0;i<21;i++){
    scanf("%d",&n);
    if(n==0)
      break;
    else{
      sum = 0;
      min = 1000;
      max = 0;
      for(i=0;i<n;i++){
        scanf("%d",&a[i]);
        sum += a[i];
      }
      for(i=0;i<n;i++){
        if(min>a[i])min=a[i];
        if(max<a[i])max=a[i];
      }
      ave = (sum - min -max)/(n-2);
      printf("%f",ave);
    }
  }
  return 0;
}

C++: #include <iostream>
#include <vector>
#include <map>
#include <stack>
#include <list>
#include <queue>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <math.h>

#define PREP(i, m, n) for(int i = m; i < n; i++)
#define MREP(i, m, n) for(int i = m - 1; i >= n; i--)

#define rep(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define all(v) v.begin(), v.end()
#define rev(v) v.rbegin(), v.rend()
#define prime first
#define weight second
#define MP make_pair
#define PB push_back

using namespace std;

int main(){
	int n = 0;
	while(cin >> n && n != 0){
		map<int, int> ev;
		int max = -1, min = 1001;
		
		rep(i, n){
			int s = 0;
			cin >> s;

			if(s > max) max = s;
			if(s < min) min = s;

			if(ev.find(s) != ev.end()) ev[s]++;
			else ev[s] = 1;
		}

		ev[max]--;
		ev[min]--;

		int result = 0, factor = 0;
		
		for(map<int, int>::iterator it = ev.begin(); it != ev.end(); it++){
			rep(i, it->second){
				result += it->first;
				factor++;
			}
		}

		cout << result / factor << endl;
	}
	

	return 0;
}