Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"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 {
		m, nMin, nMax := nextInt(sc), nextInt(sc), nextInt(sc)
		if m == 0 && nMin == 0 && nMax == 0 {
			break
		}

		score_list := []int{}
		for i := 0; i < m; i++ {
			score_list = append(score_list, nextInt(sc))
		}

		// 最低合格者数と最高合格者数の間の各得点間のギャップが最大になる合格者数を取得する
		scoreGap := 0
		scoreGapMax := 0
		qualifiedNum := 0
		for n := nMin; n <= nMax; n++ {
			scoreGap = score_list[n-1] - score_list[n]
			if scoreGap >= scoreGapMax {
				scoreGapMax = scoreGap
				qualifiedNum = n
			}
		}

		fmt.Println(qualifiedNum)
	}
}

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

int main(){
	while(1){
		int m,nmin,nmax;
		cin>>m>>nmin>>nmax;
		if(m=0)
			break
		int gap=0;
		int n=0;
		int P[m];
		for(int i=0;i<m;i++){
			cin>>P[i];
		}
		for(int i=nmin-1;i<nmax-1;i++){
			if(P[i]-P[i+1]>=gap){
				gap=P[i]-P[i+1];
				n=i;
			}
		}
		cout<<n<<endl;
		
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
int m,a,b,p[205],c,d;
 
int main(){
  while(1){
    cin>>m>>a>>b;
    if(!m&&!a&&!b)break;
    c=d=0;
    for(int i=0;i<m;i++)cin>>p[i];
    for(int i=b-1;i>=a-1;i--)
      if(p[i]-p[i+1]>c)c=p[i]-p[i+1],d=i+1;
    cout<<d<<endl;
  }
  return 0;
}

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

int main(){

  int m, n_min, n_max, gap = 1000000, z;
  int ary[1000001];

  
  while(1){
    cin >> m >> n_min >> n_max;
    if(m == 0 && n_min == 0 && n_max == 0) break;

    for(int i = 0 ; i <  m ; i++){
      cin >> ary[i];
    }

    for(int i = n_min ; i <= n_max ; i++){
      if(gap >= ary[i-1] - ary[i]){
	gap = ary[i-1] - ary[i];
	z = i;
      }
    }
    cout << z << endl;
    gap = 1000000;
    z = 0;
  }

  return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
#define int long long   // <-----!!!!!!!!!!!!!!!!!!!

#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)-1;i>=0;i--)
#define rrep2(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define all(a) (a).begin(),(a).end()

typedef long long ll;
typedef pair<int, int> P;
typedef tuple<int, int, int> TUPLE;
typedef vector<int> V;
typedef vector<V> VV;
typedef vector<VV> VVV;


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

    int m, nmin, nmax;
    while (cin >> m >> nmin >> nmax, m) {
        V a(m);
        rep(i, m) cin >> a[i];

        int ans = -1;
        int ma_gap = -1;
        rep(i, m) {
            if (nmin <= i + 1 && i + 1 <= nmax) {
                int now_gap = a[i] - a[i + 1];
                if (now_gap >= ma_gap) {
                    ans = i + 1;
                    ma_gap = now_gap;
                }
            }
        }

        cout << ans << endl;
    }
}

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

using namespace std;

#define REP(i, n) for (int i=0; i<(n); ++i)
#define RREP(i, n) for (int i=(int)(n)-1; i>=0; --i)
#define FOR(i, a, n) for (int i=(a); i<(n); ++i)
#define RFOR(i, a, n) for (int i=(int)(n)-1; i>=(a); --i)

#define SZ(x) ((int)(x).size())
#define all(x) begin(x),end(x)

#define dump(x) cerr<<#x<<" = "<<(x)<<endl
#define debug(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<< endl;

template<class T>
ostream &operator<<(ostream &os, const vector <T> &v) {
    os << "[";
    REP (i, SZ(v)) {
        if (i) os << ", ";
        os << v[i];
    }
    return os << "]";
}

template<class T, class U>
ostream &operator<<(ostream &os, const pair <T, U> &p) {
    return os << "(" << p.first << " " << p.second << ")";
}

template<class T>
bool chmax(T &a, const T &b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool chmin(T &a, const T &b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using P = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;
using vvi = vector <vector<int>>;
using vvll = vector <vector<ll>>;

#define inf(T) (numeric_limits<T>::max() / 2)
const ll MOD = 1e9 + 7;
const ld EPS = 1e-9;


int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);

    for (;;) {
        int m; cin >> m;
        if (m == 0) break;

        int a, b; cin >> a >> b;
        vi s(m);
        REP(i, m) cin >> s[i];

        int ma = 0, maxId = -1;
        FOR(i, a-1, b) {
            if (ma <= s[i] - s[i+1]) {
                ma = s[i] - s[i+1];
                maxId = i;
            }
        }
        cout << maxId + 1 << endl;
    }

    return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
int main(){
  int n,a[200],min,max,i,c=0,k;
  while((cin>>n>>min>>max),n!=0){
    c=0;
    for(i=0;i<n;i++)cin>>a[i];
    for(i=min-1;i<=max-1;i++){
      if(c<=a[i]-a[i+1]){
	c=a[i]-a[i+1];
	k=i;
      }
    }
    cout<<k+1<<endl;
  }
}

C++: #include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)

#define PB push_back
#define MP make_pair
#define ALL(a) (a).begin(),(a).end()
#define PII pair<int,int>
#define VS vector<string>
#define VI vector<int>
#define ll long long
#define ull unsigned long long
#define FST first
#define SEC second
int main(){
  int m,na,nb;
  while(1){
    cin>>m>>na>>nb;
    if(m+na+nb==0)break;
    VI V(m);
    REP(i,m)cin>>V[i];
    sort(ALL(V));
    reverse(ALL(V));
    int ma=-1,ans=-1;
    for(int i=na;i<=nb;i++){
      int d=V[i-1]-V[i];
      if(d>=ma){
        ma=d;ans=i;
      }
    }
    cout<<ans<<endl;
  }
  return 0;
}

C++: #include <bits/stdc++.h>
 
#define REP(i,n) for(int i=0; i<(int)(n); ++i)
#define FOR(i,k,n) for(int i=(k);i<(int)(n);++i)
typedef long long int ll;
using namespace std;

int main(void) {
    int m, nmin, nmax;
    int p[201];
    while(cin >> m >> nmin >> nmax && m) {
        REP(i, m) cin >> p[i];
        sort(p, p+m, greater<int>());
        int gap = 0;
        int ans = 0;
        for(int i=nmin-1; i<nmax; ++i) {
            if(p[i]-p[i+1] >= gap) {
                gap = p[i]-p[i+1];
                ans = i+1;
            }
        }
        cout << ans << endl;
    }
}