CPP-bitset

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Introduction to Bitwise Algorithms - Data Structures and Algorithms Tutorial

Last updated: 10 August 2023

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 using...read more

Bit Magic

setBitCount

Algorithms

Bitwise-XOR

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

_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

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Count number of common elements between two arrays

Last updated: 06 February 2023

Given two arrays a[] and b[], the task is to find the count of common elements in both the given arrays. Note that both the arrays contain distinct (individually) positive ...read more

Add two unsigned numbers using bits

Last updated: 25 May 2021

Given two unsigned integers (maximum possible input can be of 32 bits). The task is to add two numbers using bit operations.Examples:Input: n1 = 12, n2 = 34Output: 46Input ...read more

BIT

C++

CPP-bitset

bitset set() function in C++ STL

Last updated: 18 June 2018

bitset::set() is a built-in STL in C++ which sets the bit to a given value at a particular index. If no parameter is passed, it sets all bits to 1. If only a single parame ...read more

bitset operator[] in C++ STL

Last updated: 12 November 2020

bitset::operator[] is a built-in function in C++ STL which is used to assign value to any index of a bitset.Syntax:bitset_operator[index] = valueParameter: The parameter i ...read more

bitset reset() function in C++ STL

Last updated: 18 June 2018

bitset::reset() is a built-in function in C++ STL which resets the bits at the given index in the parameter. If no parameter is passed then all the bits are reset to zero. ...read more

bitset::flip() in C++ STL

Last updated: 06 June 2020

bitset::flip() is a built-in STL in C++ which flips the bits. If no parameter is passed in the function, then it flips all the bit values converting zeros to ones and ones ...read more

bitset count() in C++ STL

Last updated: 18 June 2018

bitset::count() is an inbuilt STL in C++ which returns the number of set bits in the binary representation of a number. Syntax: int count() Parameter: The function accept ...read more

bitset size() in C++ STL

Last updated: 16 June 2021

bitset::size() is a built-in STL in C++ which returns the total number of bits.Syntax:bitset_name.size()Parameter: The function accepts no parameter.Return Value: The func ...read more

std::bitset::to_ullong and std::bitset::to_ulong in C++ STL

Last updated: 13 August 2019

Bitset: A bitset is an array of bool but each Boolean value is not stored separately instead bitset optimizes the space such that each bool takes 1 bit space only, so spac ...read more

STL

C++

CPP-bitset

Subset sum queries using bitset

Last updated: 27 March 2023

Given an array arr[] and a number of queries, where in each query we have to check whether a subset whose sum is equal to given number exists in the array or not.Examples: ...read more

C++ bitset interesting facts

Last updated: 13 August 2021

Bitset is a container in C++ Standard Template Library for dealing with data at the bit level.1. A bitset stores bits (elements with only two possible values: 0 or 1). We ...read more

C++ bitset and its application

Last updated: 21 September 2023

A bitset is an array of bools but each boolean value is not stored in a separate byte instead, bitset optimizes the space such that each boolean value takes 1-bit space on ...read more

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