Go: package main

import (
	"fmt"
	"sort"
)

func main() {
	var n int
	fmt.Scan(&n)
	for n != 0 {
		arr := make([]int, n)
		for i := range arr {
			fmt.Scan(&arr[i])
		}
		sort.Ints(arr)

		sum := 0
		for i := 1; i < len(arr)-1; i++ {
			sum += arr[i]
		}
		fmt.Println(sum / (n - 2))
		fmt.Scan(&n)
	}
}

C++: #include <bits/stdc++.h>
#define endl '\n'
#define int long long
#define lint long long
#define pii pair<int, int>
#define FOR(i, a, b) for(int i = (a); i < (b); ++i)
#define FORR(i, a, b) for(int i = (a); i > (b); --i)
#define REP(i, n) FOR(i, 0, n)
#define SZ(v) ((int)v.size())
#define ZERO(a) memset(a, 0, sizeof(a))
#define MINUS(a) memset(a, 0xff, sizeof(a))
#define FILLINF(a) memset(a, 0x3f, sizeof(a))
#define POW(n) (1LL << (n))
#define POPCNT(n) (__builtin_popcount(n))
#define IN(i, a, b) ((a) <= (i) && (i) <= (b))
using namespace std;
template <typename T> inline bool CHMIN(T& a, T b) { if(a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool CHMAX(T& a, T b) { if(a < b) { a = b; return 1; } return 0; }
template <typename T> inline void SORT(T& a) { sort(begin(a), end(a)); }
template <typename T> inline void REV(T& a) { reverse(begin(a), end(a)); }
template <typename T> inline void UNI(T& a) { sort(a.begin(), a.end()); a.erase(unique(a.begin(), a.end()), a.end()); }
template <typename S, typename T> inline T LB(S& v, T a) { return *lower_bound(begin(v), end(v), a); }
template <typename S, typename T> inline int LBP(S& v, T a) { return lower_bound(begin(v), end(v), a) - begin(v); }
template <typename S, typename T> inline T UB(S& v, T a) { return *upper_bound(begin(v), end(v), a); }
template <typename S, typename T> inline int UBP(S& v, T a) { return upper_bound(begin(v), end(v), a) - begin(v); }
template <typename S, typename T> ostream& operator << (ostream& os, const pair<S, T>& p) { os << p.first << " " << p.second; return os; }
template <typename S, typename T> istream& operator >> (istream& is, pair<S, T>& p) { is >> p.first >> p.second; return is; }
template <typename T> ostream& operator << (ostream& os, const vector<T>& v) { for (int i = 0; i < v.size(); ++i) { if (i) os << " "; os << v[i]; } return os; }
template <typename T> istream& operator >> (istream& is, vector<T>& v) { for(T& in : v) is >> in; return is; }
template <typename T = int> vector<T> make_v(size_t a) { return vector<T>(a); }
template <typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); }
template <typename T, typename V> typename enable_if<is_class<T>::value == 0>::type fill_v(T& t, const V& v) { t = v; }
template <typename T, typename V> typename enable_if<is_class<T>::value != 0>::type fill_v(T& t, const V& v) { for(auto &e : t) fill_v(e, v); }
const double PI = 3.14159265358979323846;
const double EPS = 1e-10;
const lint INF = 0x3f3f3f3f3f3f3f3f;
const lint MOD = 1000000007;

void _main() {
    int n;
    while (cin >> n, n) {
        vector<int> a(n);
        cin >> a;
        SORT(a);
        int sum = 0;
        FOR (i, 1, n - 1) sum += a[i];
        cout << sum / (n - 2) << endl;
    }
}

signed main(signed argc, char **argv) {
    if (argc > 1) {
        if (strchr(argv[1], 'i')) freopen("input.txt", "r", stdin);
        if (strchr(argv[1], 'o')) freopen("output.txt", "w", stdout);
    }
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(10);
    _main();
    return 0;
}

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

int N, S;

int main()
{
   while ( cin >> N && N>0)
   {
      int M, m, addup, i;
      M = -1;
      m = 1001;
      addup = 0;
      for ( i = 0; i<N; i++)
      {
         cin >> S;
         addup += S;
         if ( S > M) M = S;
         if ( S < m) m = S;
      }
   cout << (addup - M - m)/(N-2)  << endl;
   }
}

C++: #include<bits/stdc++.h>
using namespace std;
#define MOD 1000000007
#define INF 1000000010
#define EPS 1e-9
#define fst first
#define scd second

#define debug(x) cout<<x<<endl;
#define repi(i,x,n) for(int i=x;i<n;i++)
#define rep(i,n) repi(i,0,n)
#define lp(i,n) repi(i,0,n)
#define repn(i,n) for(int i=n;i>=0;i--)
#define int long long
#define endl "\n"


signed main(){
  cin.tie(0);	
  ios::sync_with_stdio(false);
  while(1){
    int n;
    cin>>n;
    if(n==0) break;
    int a[n];
    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)<<endl;
  }
  return 0;
}

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

using namespace std;

int main(){
  int n;
  while(cin>>n){
    if(n==0)break;
    vector<int> score(n);
    for(int i=0;i<n;i++)cin>>score[i];

    vector<int>::iterator minIt = min_element(score.begin(),score.end());
    int minIndex = distance(score.begin(),minIt);
    score.erase(score.begin()+minIndex-1);

    vector<int>::iterator maxIt = max_element(score.begin(),score.end());
    int maxIndex = distance(score.begin(),maxIt);
    score.erase(score.begin()+maxIndex-1);

    int sum = accumulate(score.begin(),score.end(),0);
    cout << sum/score.size() << endl;
  }
  return 0;
}

C++: #include<stdio.h>
#include<math.h>
#define MAX 1000

int main(void){
	
	int i,n,max,min,sum,a[100],t;
	
	while(t != 1){

scanf("%d",&n);

if(n != 0){
	for(i = 0 ; i < n ; i++){
		a[i] = 0;
	}
	sum = 0;
	for(i = 0 ; i < n ; i++){
	scanf("%d",&a[i]);
	sum = sum + a[i];
	}
	max = a[0];
	for(i = 0 ; i < n ; i++){
		if(max < a[i]){
			max = a[i];
		}
	}
	
	min = a[0];
	for(i = 0 ; i < n ; i++){
		if(min > a[i]){
		min = a[i];
		}
	}
	
	sum = sum - max - min;
	
	n = n - 2;
	printf("%d\n",sum/n);
	
}

if(n == 0){
t = 1;
}

}

return 0;
}

C++: #include <iostream>
#include <vector>
using namespace std;
int main(){
	int n;
	int sum, max, min;
	
	while( 1 ){
		sum = 0; max = 0; min = 1000;
		cin >> n;
		vector<int> score(n);
		if( n == 0 ) break;
		for( int i = 0; i < n; i++ ){
			cin >> score[i];
			sum += score[i];
			if( max < score[i] ) max = score[i];
			if( min > score[i] ) min = score[i];
		}
		sum -= max + min;
		cout << sum/(n-2) << endl;
		score.clear();
	}
}

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 <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(v) v.begin(), v.end()

void print_vec(vector<int> vec)
{
  cout << "[";
  for (int i = 0; i < vec.size(); i++)
  {
    cout << vec.at(i);
    if (i < vec.size() - 1)
    {
      cout << ", ";
    }
  }
  cout << "]...size: " << vec.size() << endl;
}

int main()
{
  vector<int> vec;

  while (true)
  {
    int n;
    cin >> n;
    if (n == 0)
    {
      break;
    }

    int least = 1001;
    int most = 0;
    int sum = 0;

    rep(i, n)
    {
      int x;
      cin >> x;
      least = min(least, x);
      most = max(most, x);
      sum += x;
    }

    int ave = (sum - least - most) / (n - 2);
    vec.push_back(ave);
  }

  for (auto &&i : vec)
  {
    printf("%d\n", i);
  }
}