题解 | #小美走公路#

import java.io.*;
import java.util.*;
import java.math.BigInteger;

public class Main {
    static int N = (int)(1e5+10);
    static int n;
    static long[] a = new long[N];
    
    static void solve() {
        n = in.nextInt();
        long s = 0;
        for(int i=1;i<=n;i++) {
            a[i] = in.nextLong();
            s += a[i];
        }
        int x = in.nextInt(), y = in.nextInt();
        if(x>y) {
            int t = x;
            x = y;
            y = t;
        }
        long s1 = 0;
        for(int i=x;i<y;i++) {
            s1 += a[i];
        }
        out.println(Math.min(s1,s-s1));
    }

    public static void main(String[] args) {
        solve();
        out.flush();
    }

    static FastReader in = new FastReader();
    static PrintWriter out = new PrintWriter(System.out);

    static class FastReader {
        static BufferedReader br;
        static StringTokenizer st;

        FastReader() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            String str = "";
            while (st == null || !st.hasMoreElements()) {
                try {
                    str = br.readLine();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
                st = new StringTokenizer(str);
            }
            return st.nextToken();
        }

        int nextInt() {
            return Integer.parseInt(next());
        }

        double nextDouble() {
            return Double.parseDouble(next());
        }

        long nextLong() {
            return Long.parseLong(next());
        }
    }
}