Hackerrank Between Two Sets Hackerrank Solution - Java

 Hackerrank Between Two Sets Hackerrank Solution - Java

For Explanation Watch Video::

Code::

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 'getTotalX' function below.

     *

     * The function is expected to return an INTEGER.

     * The function accepts following parameters:

     *  1. INTEGER_ARRAY a

     *  2. INTEGER_ARRAY b

     */

    public static int getTotalX(List<Integer> a, List<Integer> b) {

        ArrayList<Integer> al = new ArrayList<>();

        int first = a.get(a.size()-1);//last element of a

        int last = b.get(0);//first element of b

        for(int i=first;i<=last;i++){

            int count = 0;

            for(int j=0;j<a.size();j++){

                if(i%a.get(j)==0){

                    count++;

                }else{

                    break;

                }

            }

            if(count==a.size()){

                al.add(i);

            }

        }

        int ans =0;

        for(int i=0;i<al.size();i++){

            int count =0;

            for(int j=0;j<b.size();j++){

                if(b.get(j)%al.get(i)==0){

                    count++;

                }else{

                    break;

                }

            }

            if(count==b.size()){

                ans++;

            }

        }

        return ans;

    }

}

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")));

        String[] firstMultipleInput = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");

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

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

        List<Integer> arr = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))

            .map(Integer::parseInt)

            .collect(toList());

        List<Integer> brr = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))

            .map(Integer::parseInt)

            .collect(toList());

        int total = Result.getTotalX(arr, brr);

        bufferedWriter.write(String.valueOf(total));

        bufferedWriter.newLine();

        bufferedReader.close();

        bufferedWriter.close();

    }

}