Java BitSet | HackerRank Programming Solutions | HackerRank Java Solutions

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In this post, you will find the solution for Java BitSet-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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Link for the ProblemJava BitSet- Hacker Rank Solution

Java BitSet- Hacker Rank Solution

Problem :

Java’s BitSet class implements a vector of bit values (i.e.:  () or  ()) that grows as needed, allowing us to easily manipulate bits while optimizing space (when compared to other collections). Any element having a bit value of  is called a set bit.

Given  BitSets,  and , of size  where all bits in both BitSets are initialized to , perform a series of  operations. After each operation, print the number of set bits in the respective BitSets as two space-separated integers on a new line.

Problem Statement: Click Here.

Java BitSet- Hacker Rank Solution
import java.util.*;

class Solution {

    public static void main(String[] args) {
        Scanner sc = new Scanner(;
        int n = sc.nextInt();
        int m = sc.nextInt();
        BitSet[] bits = {new BitSet(n), new BitSet(n)};

        for (int i = 0; i < m; i++) {
            String operation =;
            int x = sc.nextInt();
            int y = sc.nextInt();

            switch (operation) {
                case "AND":
                    bits[x - 1].and(bits[y - 1]);
                case "OR":
                    bits[x - 1].or(bits[y - 1]);
                case "XOR":
                    bits[x - 1].xor(bits[y - 1]);
                case "FLIP":
                    bits[x - 1].flip(y);
                case "SET":
                    bits[x - 1].set(y);
            System.out.println(bits[0].cardinality() + " " + bits[1].cardinality());

1 thought on “Java BitSet | HackerRank Programming Solutions | HackerRank Java Solutions”

  1. Hello! I know this is somewhat off topic but I was wondering if you knew where I could get a captcha plugin for my comment form? I’m using the same blog platform as yours and I’m having trouble finding one? Thanks a lot!


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