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
//------------------------------------------
#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>
#include<climits>
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, 0, N){
		sum += S[i];
		if (min >= S[i]){ min = S[i]; }
		if (max <= S[i]){ max = S[i]; }
	}
	sum -= min;
	sum -= max;
	return sum / (N-2);
}
int main(){
	int N;
	VI S;
	int b;
	int c = INT_MAX;
	while (true){
		cin >> N;
		if (N == 0){ break; }
		//if (c != INT_MAX){ cout << endl; }
		REP(i, N){
			cin >> b;
			S.push_back(b);
		}
		c = getAverageScore(N, S);
		cout << c << endl;
		S.clear();
	}
	return 0;
}

C++: #include<iostream>
//#include<fstream>

using namespace std;

const int calc(int*, int);


int main(){
	//ifstream fin("in.txt");

	int data[20] = {};
	int count = 0;
	while (true){
		cin >> count;
		if (count == 0)break;
		for (int i = 0; i < count; i++){
			cin >> data[i];
		}

		for (int i = 1; i < count; i++){
			for (int j = i; j > 0; j--){
				if (data[j - 1] > data[j]){
					int tmp = data[j];
					data[j] = data[j - 1];
					data[j - 1] = tmp;
				}
			}
		}
		cout << calc(data, count) << endl;
	}

	return 0;
}

const int calc(int* a, int count){
	if (count <= 0)return 0;

	int ave = 0;

	for (int i = 1; i < count - 1; i++)ave += a[i];
	return ave / (count - 2);
}

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

int main(){
int num,temp;

while(1){
   cin>>num;
   if(num==0){
   break;
   }
   int min=10000000,max=0,sum=0;
   for(int i=0;i<num;i++){
   cin>>temp;
   if(min>temp)min=temp;
   if(max<temp)max=temp;
   sum+=temp;
   }
   sum=sum-max-min;
   cout<<sum/(num-2)<<endl;
}

C++: #include <iostream>
#include <math.h>
using namespace std;
int main(){
	while (1){
		int n;
		int sum = 0;
		cin >> n;
		if (n == 0) break;
		int s;
		int max = -1;
		int min = 9999;
		for (int i = 0; i < n; i++){
			cin >> s;
			sum += s;
			if (s >= max) max = s;
			if (s <= min) min = s;
		}
		int ans = floor((sum - max - min) / (n - 2));
		cout << ans << endl;
	}
	return 0;
}

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

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 (b<a) { a=b; return 1; } return 0; }

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    for(;;){
        ll N; cin >> N;

        if(N==0){
            return 0;
        } 

        vector<ll> A(N);
        FOR(i, 0, N){
            cin >> A.at(i);
        }

        sort(ALL(A));
        ll sum = 0;
        ll L = A.size();
        FOR(i, 1, L-1){
            sum += A[i];
        }
        ll mean = sum / (N-2);
        p(mean);
    }
    
    return 0;
}

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