Go: package main

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

func nextInt(sc *bufio.Scanner) int {
	sc.Scan()
	i, err := strconv.Atoi(sc.Text())
	if err != nil {
		panic(err)
	}
	return i
}

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)

	for {
		num := nextInt(sc)
		if num == 0 {
			break
		}

		score_list := []int{}
		for i := 0; i < num; i++ {
			score_list = append(score_list, nextInt(sc))
		}
		// 得点リストをソートした後、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]
		// 得点リストの得点を合計し、スライスの個数で割って平均点を出す
		sum := 0
		for _, score := range score_list {
			sum += score
		}
		fmt.Println(sum / len(score_list))
	}
}

C++: #include <iostream>
#include <cmath>
#include <cstring>

using namespace std;

void find_max(int data[], int N){
  int flag = -1;
  int max = 0;
  for (int i=0; i<N; ++i){
    if (max < data[i]){
      max = data[i];
      flag = i;
    }
  }
  data[flag] = 0;
}

void find_min(int data[], int N){
  int flag = -1;
  int min = 1000000;
  for (int i=0; i<N; ++i){
    if (min > data[i]){
      min = data[i];
      flag = i;
    }
  }
  data[flag] = 0;
}

int main(void){
  int n;
  while (cin >> n){
    if (n == 0){
      return -1;
    }
    
    int data[20];
    memset(data, 0, sizeof(data));
    
    for (int i=0; i<n; ++i){
      cin >> data[i];
    }
    find_min(data, n);
    find_max(data, n);
    int sum = 0;
    for (int i=0; i<n; ++i){
      sum += data[i];
    }
    int total = floor((double)sum/(n-2));
    cout << total << endl;
  }
  return 0;
}

C++: #include <algorithm>
#include <bitset>
#include <cmath>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

const int MOD = 1e9 + 7;
const int iINF = 1000000000;
const long long int llINF = 1000000000000000000;

using namespace std;
using ll = long long int;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using vvvl = vector<vector<vector<ll>>>;

typedef pair<ll, ll> pll;
bool paircomp(const pll &a, const pll &b) {
  if (a.first == b.first)
    return a.second < b.second;
  return a.first < b.first;
}
struct multi {
  ll first;
  ll second;
  ll third;
};
bool multicomp(const multi &a, const multi &b) {
  if (a.first == b.first)
    return a.second < b.second;
  return a.first < b.first;
}
#define REP(i, n) for (ll i = 0; i < (n); i++)
#define RREP(i, n) for (ll i = (n)-1; i >= 0; i--)
#define FOR(i, a, b) for (ll i = (a); i < (b); i++)
#define AUTO(i, m) for (auto &i : m)
#define ALL(a) (a).begin(), (a).end()
#define MAX(vec) *std::max_element(vec.begin(), vec.end())
#define MIN(vec) *std::min_element(vec.begin(), vec.end())
#define ARGMAX(vec)                                                            \
  std::distance(vec.begin(), std::max_element(vec.begin(), vec.end()))
#define ARGMIN(vec)                                                            \
  std::distance(vec.begin(), std::min_element(vec.begin(), vec.end()))
#define REV(T) greater<T>()
#define PQ(T) priority_queue<T, vector<T>, greater<T>>
#define VVL(a, b, c) vector<vector<ll>>(a, vector<ll>(b, c))
#define VVVL(a, b, c, d)                                                       \
  vector<vector<vector<ll>>>(a, vector<vector<ll>>(b, vector<ll>(c, d)))
#define SP(a) setprecision(a)
#define SQRT(a) sqrt((long double)(a))
#define DPOW(a, b) pow((long double)(a), (long double)(b))
#define UNIQUE(vec)                                                            \
  do {                                                                         \
    sort(ALL((vec)));                                                          \
    (vec).erase(std::unique(ALL((vec))), (vec).end());                         \
  } while (0)

ll POW(ll n, ll m) {
  if (m == 0) {
    return 1;
  } else if (m % 2 == 0) {
    ll tmp = POW(n, m / 2);
    return (tmp * tmp);
  } else {
    return (n * POW(n, m - 1));
  }
}

int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  ll M = 0;
  vvl A(21);
  while (true) {
    ll N;
    cin >> N;
    if (N == 0)
      break;
    REP(i, N) {
      ll a = 0;
      cin >> a;
      A[M].push_back(a);
    }
    M++;
  }
  REP(i, M) {
    sort(ALL(A[i]));
    ll ans = 0;
    ll N = A[i].size();
    for (ll j = 1; j < N - 1; j++) {
      ans += A[i][j];
    }
    cout << ans / (N - 2) << endl;
  }
  return 0;
}

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

#define REP(i, s, n) for (int i = s; i < n; ++i)
#define rep(i, n) REP(i, 0, n)
#define SORT(c) sort((c).begin(), (c).end())
#define IINF INT_MAX
#define LLINF LLONG_MAX
#define DEBUG false

int main()
{
   int n;
   while(cin>>n,n){
       vector<int> data;
       rep(i,n){
           int temp;
           cin>>temp;
           data.push_back(temp);
       }
       SORT(data);
       long ans=0;
       REP(i,1,n-1){
           ans+=data[i];
       }
       cout<<ans/(n-2)<<endl;;
   }
   return 0;
}

C++: #include <iostream>

int main()
{
    int judgeNum;
    int maxPoint = 0;
    int minimumPoint = 0;
    int pointSum = 0;

    std::cin >> judgeNum;

    int point[judgeNum];

    for(int i = 0; i < judgeNum; i++) {
        std::cin >> point[i];
        if(point[i] > maxPoint) {
            maxPoint = point[i];
        } else if (point[i] < minimumPoint) {
            minimumPoint = point[i];
        }
        pointSum += point[i];
    }

    std::cout << (pointSum - maxPoint - minimumPoint) / (judgeNum - 2) << std::endl;

    return 0;
}

C++: #include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <tuple>
#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>

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 DECIM8  fixed<<setprecision(8) 
#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))

using namespace std;
int main(void)
{
  for(;;){
    int n;
    cin >> n;
    if(!n) return 0;
    int sum=0,M=0,m=0;
    REP(i,n){
      int tmp;
      cin >> tmp;
      sum+=tmp;
      if(M<tmp) M=tmp;
      if(m>tmp) m=tmp;
    }
    cout << (sum-M-m)/(n-2) << endl;
  }
}

C++: #include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <functional>
using namespace std;
#define MOD @
#define ADD(X,Y) ((X) = ((X) + (Y)%MOD) % MOD)
typedef long long i64; typedef vector<int> ivec; typedef vector<string> svec;


int main()
{
	while (true)
	{
		int n;
		scanf("%d", &n);
		if (n == 0)return 0;
		ivec A;
		for (int i = 0; i < n; i++)
		{
			int s;
			scanf("%d", &s);
			A.push_back(s);
		}
		sort(A.begin(), A.end());
		int sum = 0;
		for (int i = 0; i < n; i++)
		{
			if (i == 0 || i == n - 1)continue;
			sum += A[i];
		}
		printf("%d\n", sum / (n - 2));
		
	}
	return 0;
}