Maximizing_XOR.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

class Result {

    /*
     * Complete the 'maximizingXor' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts following parameters:
     *  1. INTEGER l
     *  2. INTEGER r
     */

    public static int maximizingXor(int l, int r) 
    {
       // Write your code here
       int i,j;
       int max=Integer.MIN_VALUE; 
       for(i=l;i<=r;i++)
       {
           for(j=i;j<=r;j++)
           {
               int res = i^j;  //when you want to apple XOR operation...(^ symbol is used..)
               max = Math.max(max,res);
           }
       }
       return max;
    }
}
public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int l = Integer.parseInt(bufferedReader.readLine().trim());

        int r = Integer.parseInt(bufferedReader.readLine().trim());

        int result = Result.maximizingXor(l, r);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}