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 <bits/stdc++.h>

using namespace std;

int main()
{
	int n;
	while (cin >> n, n) {
		vector<int> score(n);

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

		sort(score.begin(), score.end());

		int ans = 0;

		for (int i = 1; i < n - 1; ++i) ans += score[i];

		printf("%d\n", ans / (n - 2));
	}
}

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

using namespace std;

#define LOG(...) fprintf(stderr,__VA_ARGS__)
//#define LOG(...)
#define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);++i)
#define RFOR(i,a,b) for(int i=(int)(b-1);i>=(int)(a);--i)
#define REP(i,n) for(int i=0;i<(int)(n);++i)
#define RREP(i,n) for(int i=(int)(n-1);i>=0;--i)
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort(ALL(c))
#define RSORT(c) sort(RALL(c))
#define SZ(a) ((int)(a).size())
#define BIT(x, i) (((x) >> (i)) & 1)
#define SQ(x) ((x)*(x))

typedef long long ll;
typedef unsigned long long ull;
typedef vector<bool> vb;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vb> vvb;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<string> vs;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

int main() {
    int n;
    while (cin >> n, n) {
        vi s(n);
        REP(i, n) cin >> s[i];
        auto minmax = minmax_element(ALL(s));
        cout << (accumulate(ALL(s), 0) - *minmax.first - *minmax.second) / (n-2) << endl;
    }
}

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

#define pout(n)  printf ("%d\n", n)

#define rep(i,a,n) for (int i = a;i < n;i++)
#define per(i,n,a) for (int i = n-1;i >= a;i--)

const int d4x[4] = {1, 0, -1, 0};
const int d4y[4] = {0, 1, 0, -1};
const int d8x[8] = { 1,1,0,-1,-1,-1,0,1 };
const int d8y[8] = { 0,1,1,1,0,-1,-1,-1 };

typedef long long ll;
using namespace std;

int main() {
  int n;
  while(cin >> n && n > 0){
    int s[n];
    int sum = 0,large = 0,small = 1000;

    rep(i,0,n){
      cin >> s[i];
      sum += s[i];
      if(large < s[i]) large = s[i];
      if(small > s[i]) small = s[i];
    }
    pout((sum -large-small)/(n-2));
  }
  return 0;
}

C++: #include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
int main(){
  int n;
  while(cin >>n,n){
    vector<int> num;
    for(int i=0,a; i<n; i++){
      cin >>a;
      num.push_back(a);
    }
    sort(num.begin(),num.end());
    int sum = 0;
    for(int i=1; i<n-1; i++) sum+=num[i];
    cout <<sum/(n-2)<<endl;
  }
  return 0;
}

C++: #include<iostream>
#include<algorithm>
#include<math.h>
#include<set>
#include<vector>
#include<map>
#include<functional>
#include<random>
#include<string>
typedef long long ll;
using namespace std;
int main(){
  ll N;
  ll s[1100];
  ll sum=0;
  ll t=0;
  while(t<=20){
  t++;
  cin >> N;
  for(ll i = 0; i < N; ++i){
      cin >> s[i];
  }
  sort(s,s+N);
  for(ll i = 1; i < N-1; ++i){
    sum+=s[i];
  }
  cout<<sum/(N-2)<<endl;
}
}

C++: #include <iostream>

using namespace std;

int main(){
    int n,s[1000], i;
    while (cin >> n && n>0){
        int sum = 0, maximum =0, minimum = 10000;
        for (i = 0; i > n; i++){
            cin >> s[i];
            sum += s[i];
        }
        for (i = 0; i > n; i++){
            maximum = max(maximum, s[i]);
            minimum = min(minimum, s[i]);
        }
        cout << (sum - maximum - minimum)/(n -2) << endl;
    }
}

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

int main(){
  int n,s[100],num,max=s[0],min=s[0];
  
  do{
  cin>>n;    
    num=0;
    
  for(int i=0;i<n;i++){
    cin>>s[i];

    if(max<s[i])max=s[i];
    if(max>s[i])min=s[i];
       
    num += s[i];
  }
  num = (num-max-min)/n;
    cout<<num<<endl;

  }while(n != 0);
  return 0;
}

C++: int maximum = 0;
    for (int i=1; i<S; ++i)
        for (int j=i; j<S; ++j)
            if (tax(X,i)+tax(X,j) == S) // (*)
              maximum = max(maximum, tax(Y,i)+tax(Y,j));

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

int main() {
    int n;
    while(cin >> n, n) {
        vector<int> v(n);
        for(int i=0; i<n; ++i) {
            cin >> v[i];
        }
        sort(v.begin(), v.end());
        cout << accumulate(v.begin()+1, v.end()-1, 0) / (v.size()-2) << endl;
    }
}

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

int main(){
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    int a,n;
    for(;;){
        vector<int> num;
        cin>>n;
        if(n==0) break;
        for(int i = 0; i < n; i++){
            cin>>a;
            num.push_back(a);
        }
        sort(num.begin(), num.end());
        num.erase(num.begin());
        num.pop_back();
        int sum=0;
        for(int x : num){
            sum+=x;
        }
        sum/=num.size();
        cout<<sum<<endl;
    }
    return 0;
}

C++: #include <iostream>
using namespace std;
int larger(int x,int y) {
	int z = 0;
	if (x > y)z = x;
	else z = y;
	return z;
}
int smaller(int x, int y) {
	int z = 0;
	if (x < y)z = x;
	else z = y;
	return z;
}
int main(void) {
	int s = 1;
	while (s == 1) {
		int sinsa, a[100], sum = 0, ave;
		cin >> sinsa;
		if (sinsa == 0)s = 2;
		for (int i = 0; i < sinsa; i++) {
			cin >> a[i];
		}
		int n = a[0];
		for (int i = 0; i < sinsa; i++) {
			n = larger(n, a[i]);
		}
		int m = a[0];
		for (int i = 0; i < sinsa; i++) {
			m = smaller(m, a[i]);
		}
		for (int i = 0; i < sinsa; i++) {
			sum += a[i];
		}
		sum = sum - n - m;
		ave = sum / (sinsa - 2);
		cout << ave<<endl;
	}

	return 0;

C++: #include <bits/stdc++.h>
#define chmin(a, b) ((a)=min((a), (b)))
#define chmax(a, b) ((a)=max((a), (b)))
#define fs first
#define sc second
#define eb emplace_back
using namespace std;

typedef long long ll;
typedef pair<int, int> P;
typedef tuple<int, int, int> T;

const ll MOD=1e9+7;
const ll INF=1e18;

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

int main(){
    int n;
    while(cin>>n, n){
        int sum=0, smin=1000, smax=0;
        for(int i=0; i<n; i++){
            int s; cin>>s;
            sum+=s;
            chmin(smin, s);
            chmax(smax, s);
        }
        sum-=smin;
        sum-=smax;
        
        cout << sum/(n-2) << endl;
    }
}

C++: #include <iostream>
#include <cstdio>
#define INF 1e+18
#define int long long
using namespace std;

signed main(){
	int n;
	while(cin >> n,n){
		int mi = INF,ma = 0,sum = 0;
		for(int i = 0;i < n;i++){
			int t;
			cin >> t;
			mi = min(t,mi);
			ma = max(t,ma);
			sum += t;
		}
		sum -= (mi + ma);
		cout << sum / (n - 2) << endl;
	}
	return 0;
}

C++: //#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <map>
#include <stack>
#include <queue>
#include <cstdio>
#include <cstdlib>
#include <utility>
using namespace std;
#define INF 100000005
#define MAX 200005

int a[1001];
int main(){
	int n, sum;
	while(cin >> n, n){
		sum = 0;
		for(int i = 0;i < n;i++){
			cin >> a[i];
			sum += a[i];
		}
		sum -= *max_element(a, a+n);
		sum -= *min_element(a, a+n);
		cout << sum/(n-2) << endl;
	}
	return 0;
}