Go: package main

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

var (
	sc = bufio.NewScanner(os.Stdin)
)

func main() {
	for sc.Scan() {
		n, _ := strconv.Atoi(sc.Text())
		if n == 0 {
			break
		}
		scores := make([]int, n, n)
		for i := 0; i < n; i++ {
			sc.Scan()
			scores[i], _ = strconv.Atoi(sc.Text())
		}
		sort.IntSlice(scores).Sort()
		var sum = 0
		for i := 1; i < len(scores)-1; i++ {
			sum += scores[i]
		}
		fmt.Println(sum / (n - 2))
	}
}

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;
	while (true){
		cin >> N;
		if (N == 0){ break; }
		REP(i, N){
			cin >> S[i];
		}
		cout << getAverageScore(N, S)<<endl;
	}
}

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

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;
typedef vector<ll> V;
typedef complex<double> Point;

#define PI acos(-1.0)
#define EPS 1e-10
const ll INF = 1e16;
const ll MOD = 1e9 + 7;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define rep(i,N) for(int i=0;i<(N);i++)
#define ALL(s) (s).begin(),(s).end()
#define EQ(a,b) (abs((a)-(b))<EPS)
#define EQV(a,b) ( EQ((a).real(), (b).real()) && EQ((a).imag(), (b).imag()) )
#define fi first
#define se second
#define N_SIZE (1LL << 20)
#define NIL -1

ll sq(ll num) { return num*num; }
ll mod_pow(ll x, ll n) {
	if (n == 0)return 1;
	if (n == 1)return x%MOD;
	ll res = sq(mod_pow(x, n / 2));
	res %= MOD;
	if (n % 2 == 1) {
		res *= x;
		res %= MOD;
	}
	return res;
}
ll mod_add(ll a, ll b) { return (a + b) % MOD; }
ll mod_sub(ll a, ll b) { return (a - b + MOD) % MOD; }
ll mod_mul(ll a, ll b) { return a*b % MOD; }

ll n;

int main(){
	while(cin >> n && n){
		vector<ll> v(n);
		rep(i,n)cin >> v[i];
		sort(ALL(v));
		ll ans = 0;
		FOR(i,1,n-1)ans += v[i];
		cout << ans / (n-2) << endl;
	}
}

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

int main() {
    
    while (1) {
        int x;
        cin >> x;
        if (!(x)) break;
        
        int min, max, avg = 0;
        for (int i = 0; i < x; i++) {
            int num;
            cin >> num;
            if (!(i)) {
                min = num;
                max = num;
            } else {
                if (num < min) min = num;
                if (num > max) max = num;
            }
            avg += num;
        }
        
        avg -= (min + max);
        avg /= (x - 2);
        cout << avg << endl;
    }
}

C++: 
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
    int n;
    int a[100];
    cin>>n;
    while(n!=0){
        for(int i=0;i<100;i++)
            a[i]=1001;
        for(int i=0;i<n;i++)
            cin>>a[i];
        sort(a,a+n);
        int sum=0;
        for(int i=1;i<n-1;i++)
            sum+=a[i];
        cout<< sum/(n-2) <<"\n";
        cin>>n;}
}

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;
}
}