GeeksforGeeks

Count number of set bits in a range using bitset

Last Updated: 20 September 2023

Given a large binary number.The task is to count the number of 1's in a given range from L to R (1 based indexing).Examples:Input : s = "101101011010100000111", L = 6, R =...read more

_Find_first() function in C++ bitset with Examples

Last Updated: 22 December 2022

The _Find_first() is a built-in function in C++ Bitset class which returns an integer that refers the position of first set bit in bitset. If there isn’t any set bit, _Fin...read more

C++

CPP-Functions

CPP-bitset

_Find_next() function in C++ bitset with Examples

Last Updated: 22 December 2022

The _Find_next() is a built-in function in C++ Bitset class which returns an integer which refers the position of next set bit in bitset after index. If there isn't any se...read more

C++

CPP-Functions

CPP-bitset

Check if binary representations of 0 to N are present as substrings in given binary string

Last Updated: 18 June 2022

Give binary string str and an integer N, the task is to check if the substrings of the string contain all binary representations of non-negative integers less than or equa...read more

binary-representation

Queries to minimize sum added to given ranges in an array to make their Bitwise AND non-zero

Last Updated: 10 January 2023

Given an array arr[] consisting of N integers an array Q[][] consisting of queries of the form {l, r}. For each query {l, r}, the task is to determine the minimum sum of a...read more

Bit Magic

Mathematical

Competitive Programming

Find the Dominators for every vertex in a given DAG (Directed Acyclic Graph)

Last Updated: 06 June 2025

Given a Directed Acyclic Graph with V vertices and E edges, the task is to find the set of dominant vertices for each vertex of the graph.What are Dominators in Graph Theo...read more

Construct a K-length binary string from an array based on given conditions

Last Updated: 04 January 2023

Given an array arr[] consisting of N integers, and an integer K, the task is to construct a binary string of length K satisfying the following conditions:The character at ...read more

Arithmetic operations with std::bitset in C++

Last Updated: 17 June 2021

A bitset is an array of boolean values, but each boolean value is not stored separately. Instead, bitset optimizes the space such that each bool takes 1-bit space only, so...read more

Implementation of C++ Bitset using String

Last Updated: 28 March 2022

Let's implement bitset in C++, such that following operations can be performed in stated time complexities :init(int size): initializes a bitset of size number of 0 bits.v...read more

C++

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cpp-string

CPP-bitset

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

Count of Non-Negative Integers that doesn't contain consecutive ones

Last Updated: 15 March 2023

Given a range of integers, the task is to find the numbers of Non-Negative Integers which doesn't contain consecutive ones (1s) in their binary representation.Examples:Inp...read more

DSA

CPP-bitset

How to Create Stack of Bitset in C++?

Last Updated: 06 March 2024

In C++, a stack is a container adapter that provides a last-in, first-out (LIFO) type of data structure with two major operations, namely push and pop while Bitset is a co...read more

std::has_single_bit in C++ 20

Last Updated: 21 May 2024

In C++ 20, thestd::has_single_bitfunction is a predefined function that is used to check if a given value is an integral power of two or not.This function is defined in th...read more

How to Count Set Bits in an Integer in C++?

Last Updated: 03 July 2024

In binary representation of a number, a set bit is defined as the binary digit (bit) that is set to 1. In this article, we will learn how to count the set bits in a given ...read more

How to Use Bit Manipulation Methods in C++

Last Updated: 17 July 2024

Bit manipulation is a technique used for optimizing performance and memory usage in various programming scenarios. It is very useful from aCompetitive Programmingpoint of ...read more