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Algorithms-Bit Algorithms

28 posts

Find a number containing N - 1 set bits at even positions from the right

Last Updated: 31 May 2022

Given a positive integer N, the task is to find a number which contains (N - 1) set bits in its binary form at every even index (1-based) from the right.Examples:Input: N ...read more

Algorithms-Bit Algorithms

Bitwise Operations on Digits of a Number

Last Updated: 12 July 2025

Given a number N, the task is to perform the bitwise operations on digits of the given number N. The bitwise operations include:Finding the XOR of all digits of the given ...read more

Algorithms-Bit Algorithms

Convert given Binary string S to all 1s by changing all 0s to 1s in range [i+1, i+K] if S[i] is 1

Last Updated: 07 July 2021

Given a binary string S of size N and a number K, the task is to find if all the '0's can be changed into '1's in any number of operations. In one operation, if S[i] is in...read more

Algorithms-Bit Algorithms

Largest number less than equal to N having exactly K set bits

Last Updated: 15 October 2023

Given two positive integers N and K, we need to determine if there exists a positive integer X less than or equal to N such that the number of 1s in the binary representat...read more

Algorithms-Bit Algorithms

Bit Manipulation for Competitive Programming

Last Updated: 11 June 2024

Bit manipulation is a technique in competitive programming that involves the manipulation of individual bits in binary representations of numbers. It is a valuable techniq...read more

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Competitive Programming

Algorithms-Bit Algorithms

POTD Solutions | 29 Oct’ 23 | Check whether K-th bit is set or not

Last Updated: 28 April 2025

View all POTD SolutionsWelcome to the daily solutions of our PROBLEM OF THE DAY (POTD). We will discuss the entire problem step-by-step and work towards developing an opti...read more

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Algorithms-Bit Algorithms

GFG-POTD-Solutions

POTD Solutions | 28 Oct’ 23 | Bleak Numbers

Last Updated: 31 October 2023

Welcome to the daily solutions of ourPROBLEM OF THE DAY (POTD). We will discuss the entire problem step-by-step and work towards developing an optimized solution. This wil...read more

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Algorithms-Bit Algorithms

GFG-POTD-Solutions

POTD Solutions | 30 Oct’ 23 | Sum of XOR of all pairs

Last Updated: 22 November 2023

View all POTD SolutionsWelcome to the daily solutions of our PROBLEM OF THE DAY (POTD). We will discuss the entire problem step-by-step and work towards developing an opti...read more

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Algorithms-Bit Algorithms

GFG-POTD-Solutions

Solving Binary String Modulo Problem

Last Updated: 17 January 2024

Given a string "s" and an integer "m" your objective is to calculate the remainder "r" when the decimal value of binary string "s" is divided by "m".Examples: Input: s = "...read more

Geeks Premier League

Basic Coding Problems

Algorithms-Bit Algorithms

Geeks Premier League 2023

Find the value of X and Y such that X Bitwise XOR Y equals to (X+Y)/2

Last Updated: 16 January 2024

Given an integer N, representing X ⊕ Y where ⊕ represents Bitwise XOR, the task is to find the value of X and Y such that X ⊕ Y = (X+Y)/2. If no possible value of X and Y ...read more

Algorithms-Bit Algorithms

Maximizing Unset Bits in Integer with Constraints

Last Updated: 27 December 2023

Given a non-negative integer n. You are only allowed to make a set bit unset, the task is to find the maximum possible value of the query so that after performing the give...read more

Geeks Premier League

Algorithms-Bit Algorithms

Geeks Premier League 2023

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

Count the number of arrays formed by rearranging elements such that one adjacent element is multiple of other

Last Updated: 18 January 2024

Given array A[] of size N (1 = N = 15), count all possible arrays formed by rearranging elements of A[] such that at least one of the following conditions is true for adja...read more

Geeks Premier League

Algorithms-Dynamic Programming

Algorithms-Bit Algorithms

Geeks Premier League 2023

Find the number of ways to form a string of length N that can be rearranged to include S as a substring.

Last Updated: 29 January 2024

Given an integer N and string S of size M, the task is to find the number of ways of forming string of length N such that it is possible to rearrange the string to have S ...read more

Dynamic Programming

Geeks Premier League

Algorithms-Bit Algorithms

Geeks Premier League 2023

Sort array by performing swapping under certain condition

Last Updated: 26 February 2024

Given an array of positive elements arr[] of size N. You can select any index i such that i + 1 N and swap arr[i], arr[i + 1] if they have the same number of set bits in ...read more

Geeks Premier League

Algorithms-Bit Algorithms

Geeks Premier League 2023