Bit Magic

1.2k+ posts

Last Updated: 07 April 2025

Bitwise algorithms in Data Structures and Algorithms (DSA) involve manipulating individual bits of binary representations of numbers to perf ...read more

Bit Magic

DSA

BCD or Binary Coded Decimal

Last Updated: 27 March 2025

Binary Coded Decimal (BCD) is a binary encoding system in which each decimal digit is represented by a fixed number of binary bits, typicall ...read more

Set, Clear and Toggle a Given Bit of a Number in C

Last Updated: 12 August 2024

Write a C program to Set, Clear, and Toggle the given bit of a number.Setting a bit means that if Kth bit is 0, then set it to 1 and if it i ...read more

Bit Magic

C Programs

DSA

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Divide two integers without using multiplication and division operator

Last Updated: 19 September 2024

Given two integers a and b, the task is to find the quotient after dividing a by b without using multiplication, division, and mod operator....read more

Bit Magic

DSA

Find most significant set bit of a number

Last Updated: 06 April 2023

Given a number, find the greatest number less than the given a number which is the power of two or find the most significant bit number .Exa ...read more

Bit Magic

DSA

Check whether K-th bit is set or not

Last Updated: 12 March 2025

Given a number n and a bit position k, check if the kth bit of n is set or not. A bit is called set if it is 1.Note: Indexing starts with 0 ...read more

Gray to Binary and Binary to Gray conversion

Last Updated: 03 February 2025

Binary Number is the default way to store numbers, but in many applications, binary numbers are difficult to use and a variety of binary num...read more

Bit Magic

Mathematical

binary-representation

Bitwise-XOR

gray-code

DSA

Relational Operators in C

Last Updated: 23 January 2025

In C, relational operators are the symbols that are used for comparison between two values to understand the type of relationship a pair of ...read more

Bitwise Right Shift Operators in Java

Last Updated: 08 March 2023

In C/C++ there is only one right shift operator '' which should be used only for positive integers or unsigned integers. Use of the right sh ...read more

Last Updated: 21 April 2025

Given an array where every element occurs three times, except one element which occurs only once. Find the element that occurs once. Example ...read more

Count total set bits in first N Natural Numbers (all numbers from 1 to N)

Last Updated: 18 February 2025

Given a positive integer n, the task is to count the total number of set bits in binary representation of all natural numbers from 1 to n.Ex ...read more

Bit Magic

Amazon

DSA

Rotate bits of a number

Last Updated: 26 April 2025

Given a 32-bit integer n and an integer d, rotate the binary representation of n by d positions in both left and right directions. After eac ...read more

Last Updated: 21 April 2025

Given an array arr[] containing 2*n + 2 positive numbers, out of which 2*n numbers exist in pairs whereas the other two number occur exactly ...read more

Find the Number Occurring Odd Number of Times

Last Updated: 30 May 2024

Given an array of positive integers. All numbers occur an even number of times except one number which occurs an odd number of times. Find t ...read more

Position of rightmost set bit

Last Updated: 26 March 2025

Given an integer n, the task is to return the position of the first set bit from right to left in the binary representation n.If n is equal ...read more

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