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Bit Algorithms

57 posts

All about Bit Manipulation

Last Updated: 18 April 2023

Bit Manipulation is a technique used in a variety of problems to get the solution in an optimized way. This technique is very effective from a Competitive Programming poin...read more

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Technical Scripter

Technical Scripter 2020

Find array elements with rightmost set bit at the position of the rightmost set bit in K

Last Updated: 26 October 2023

Given an array arr[] consisting of N and an integer K, the task is to print the elements of arr[] whose rightmost set bit is at the same position as the rightmost set bit ...read more

Technical Scripter

Technical Scripter 2020

Count numbers in the range [L, R] having only three set bits

Last Updated: 05 July 2024

Given an array arr[] of N pairs, where each array element denotes a query of the form {L, R}, the task is to find the count of numbers in the range [L, R], having only 3-s...read more

Count of numbers in range [L, R] with LSB as 0 in their Binary representation

Last Updated: 16 July 2021

Given two integers L and R. The task is to find the count of all numbers in the range [L, R] whose Least Significant Bit in binary representation is 0. Examples: Input: L ...read more

Construct lexicographically smallest Binary array of size N with A 0s and X inversion count

Last Updated: 09 November 2021

Given three numbers N, A, and X, the task is to construct the lexicographically smallest binary array of size N, containing A 0s and having an inversion count of X.Example...read more

two-pointer-algorithm

lexicographic-ordering

Minimum number of days to debug all programs

Last Updated: 21 October 2021

Given N program codes and their respective debugging times in an array codeTime and an integer WorkingSessionTime, the ith program takes codeTime[i] hours to finish. Worki...read more

Dynamic Programming

Count of subsets having maximum possible XOR value

Last Updated: 17 January 2022

Given an array arr[] consisting of N positive integers. The task is to count the number of different non-empty subsets of arr[] having maximum bitwise XOR.Examples:Input: ...read more

Find a number X such that XOR of given Array after adding X to each element is 0

Last Updated: 17 December 2021

Given an array arr[] of odd length N containing positive integers. The task is to find a positive integer X such that, adding X to all the elements of arr[] and then takin...read more

Competitive Programming

Introduction to Bitwise Algorithms - Data Structures and Algorithms Tutorial

Last Updated: 27 November 2024

Bit stands for binary digit. A bit is the basic unit of information and can only have one of two possible values that is 0 or 1. In our world, we usually with numbers usin...read more

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Maximize Bitwise AND product function

Last Updated: 26 September 2023

Given two non-negative integers A and B find the smallest non-negative integer m such that the product of (A m) and(B m) is maximized.Examples:Input: A = 5, B = 10Output...read more

Minimizing Binary statements: Transforming a Binary String to all Zeroes

Last Updated: 07 November 2023

Given a set of N binary statements represented by a string S, where '1' represents a true statement and '0' represents a false one. You can perform the following operation...read more

Competitive Programming

XOR Graph Minimum Spanning Tree

Last Updated: 12 January 2024

Given a complete weighted graph where edges have weights determined by the bitwise-xor operation. The graph has N vertices numbered from 0 to N-1, and each undirected edge...read more

Competitive Programming

Algorithms-Bit Algorithms

Geeks Premier League 2023

Bitwise Algorithm in Python

Last Updated: 18 April 2024

Bitwise algorithms refer to the use of bitwise operators to manipulate individual bits of data. Python provides a set of bitwise operators such as AND (), OR (|), XOR (^),...read more

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Smallest subarray such that its bitwise OR is at least k

Last Updated: 12 May 2024

Given an array arr[] of non-negative integers and an integer k. The task is to find the smallest non-empty subarray of arr[] such that the bitwise OR of all of its element...read more

Assign Campus Bikes to Workers II

Last Updated: 11 June 2024

On a 2D grid representing a campus, there are n workers and m bikes, with 1 = n = m = 10. Each worker and bike is assigned a 2D coordinate on this grid. The tasks is to as...read more

Dynamic Programming