Tutorials
Courses
Tracks

Top | MCQs on Bitwise Algorithms and Bit Manipulations with Answers | Question 30

Last Updated :

Discuss

Comments

What is the output of the below code for input num = 15?

C++

unsigned int fun(unsigned int n)
{
    unsigned int count = 0;
    while (n) {
        count += n & 1;
        n >>= 1;
    }
    return count;
}

unsigned int fun(unsigned int n) {
    unsigned int count = 0;
    while (n) {
        count += n & 1;
        n >>= 1;
    }
    return count;
}

Java

public class Main {
    public static int fun(int n) {
        int count = 0;
        while (n != 0) {
            count += n & 1;
            n >>= 1;
        }
        return count;
    }
}

Python

def fun(n):
    count = 0
    while n:
        count += n & 1
        n >>= 1
    return count

JavaScript

function fun(n) {
    let count = 0;
    while (n) {
        count += n & 1;
        n >>= 1;
    }
    return count;
}

This question is part of this quiz :

Top MCQs on Bitwise Algorithms and Bit Manipulations with Answers

Tags:

DSA Quiz

Share your thoughts in the comments

GeeksforGeeks