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;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,int> plli;
typedef pair<int,pii> pipii;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<pii> vpii;

#define rep(i,n) for (int i=0;i<(n);i++)
#define rep2(i,a,b) for (int i=(a);i<(b);i++)
#define rrep(i,n) for (int i=(n);i>=0;i--)
#define rrep2(i,a,b) for (int i=(a);i>b;i--)
#define pb push_back
#define fi first
#define se second
#define all(a) (a).begin(),(a).end()

const ll mod = 1e9 + 7;
const ll INF = 1<<30;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};
const double pi = 3.141592653589793;

int n;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    while (cin >> n,n) {
        int  s[105]={};
        rep(i,n) cin >> s[i];
        sort(s,s+n);
        int ans=0;
        rep2(i,1,n-1) ans+=s[i];
        cout << ans/(n-2) << endl;
    }
    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 <stdio.h>
int max(int a,int b){
if(a>b)return a;
return b;
}
int min(int a,int b){
if(a>b)return b;
return a;
}
int main(){
int n,top,bot,tot,temp;
while(1){
scanf("%d",&n);
if(n==0)return 0;
scanf("%d",&top);
tot=bot=top;
for(int i=1;i<n;i++){
scanf("%d",&temp);
tot+=temp;
top=max(top,temp);
bot=min(bot,temp);
}
printf("%d\n",(tot-top-bot)/n);
}
}

C++: #include <iostream>
#include <cstdio>
#include <cstdlib>
#include <string>
#include <vector>
#include <deque>
#include <list>
#include <algorithm>
#include <numeric>
#include <functional>
#include <cmath>
#include <cstring>
#include <cctype>
#include <sstream>
#include <set>
#include <map>
#include <queue>
#include <complex>
using namespace std;

int main() {
	while(true) {
		int n, max=0, min=1000, sum=0;
		cin >> n;
		if(n==0) break;
		for(int i=0; i<n; i++) {
			int input;
			cin >> input;
			sum += input;
			if(input > max) max = input;
			if(input < min) min = input;
		}
		cout << (sum - min - max)/(n-2) << endl;
	}

	return 0;
}

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

using namespace std;

int main(){

	int n,s[1010];
	
	while(1){
		cin>>n;
		if(n==0) break;
		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>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

int main(int argc, char const *argv[]) {
	int n, input;

	while(1) {
		cin >> n;
		if (n==0) break;
		vector<int> s;
		for (int i = 0; i < n; ++i)
		{
			cin >> input;
			s.push_back(input);
		}
		vector<int>::iterator maxiter = max_element(s.begin(), s.end());
		vector<int>::iterator miniter = min_element(s.begin(), s.end());
		vector<int>::iterator end_max = remove(s.begin(), s.end(), *maxiter);
		vector<int>::iterator end_min = remove(s.begin(), s.end(), *miniter);
		s.erase(end_max, s.end());
		s.erase(end_min, s.end());
		cout << endl;
		for (int i = 0; i < s.size(); ++i)
		{
			cout << s.at(i) << " ";
		}
		cout << endl;
		int ave = accumulate(s.begin(), s.end(), 0);
		ave /= s.size();
		cout << ave << endl;
	}


	return 0;
}

C++: #include<bits/stdc++.h>
#define REP(i, n) for (int i = 0; i < n ; i++)
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define whole(f, x, ...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x) // decltypeで型取得、引数があればva_argsのところに入れる
using namespace std;
typedef long long ll; // long longをllでかけるようにした
const int INF = 1e9;

int main(void){
    while(true){
        int n; cin >> n;
        if(n == 0) return 0;
        else{
            vector<int> Score(n);
            REP(i, n) cin >> Score[i];
            int ave = 0;
            whole(sort, Score);
            for(int i = 1; i < n - 1; i++) ave += Score[i];
            ave /= n - 2;
            cout << ave << endl;
        }
    }
}

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>

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){
		if (c != INT_MAX){ cout << endl; }
		cin >> N;
		if (N == 0){ break; }
		REP(i, N){
			cin >> b;
			S.push_back(b);
		}
		c = getAverageScore(N, S);
		cout << c;
		S.clear();
	}
	return 0;
}

C++: #include<iostream>
#include<string>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
using namespace std;
typedef long long ll;
const ll MOD = 1000000007;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
typedef unsigned int ui;
int main() {
	int n,s,sum,mi,ma;
	int i;
	while (cin >> n) {
		sum = 0;
		ma = 0; mi = (int)MOD;
		if (n == 0)break;
		for (i = 0; i < n; i++) {
			cin >> s; sum += s; mi = min(mi, s); ma = max(ma, s);
		}
		sum -= ma + mi;
		cout << sum / (n-2) << endl;
	}
	return 0;
}