Day29.java

import java.io.*;
class Result {

    /*
     * Complete the 'bitwiseAnd' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts following parameters:
     *  1. INTEGER N
     *  2. INTEGER K
     */

    public static int bitwiseAnd(int N, int K) {
    // Write your code here
        
        int Result = 0;
        for(int i = 1; i < N ; i++){
            for(int j = i+1; j <= N ; j++){
                int temp = i&j;
                if(temp < K && temp > Result)
                    Result = temp;                    
            } 
        } 
        return Result;
    }
}


public class Day29 {
    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 t = Integer.parseInt(bufferedReader.readLine().trim());

        for (int tItr = 0; tItr < t; tItr++) {
            String[] firstMultipleInput = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

            int count = Integer.parseInt(firstMultipleInput[0]);

            int lim = Integer.parseInt(firstMultipleInput[1]);

            int res = Result.bitwiseAnd(count, lim);

            bufferedWriter.write(String.valueOf(res));
            bufferedWriter.newLine();
        }

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