Xor of three numbers. XOR XOR is a logical operator that works on bits.

Xor of three numbers Example: Take two bit values X and Y, where X = 7= (111)2 and Y = 4 = (100)2 . Feb 6, 2023 · Given a number n, the task is to find the XOR of every number from 1 to n. The XOR calculator allows you to perform bitwise XOR operations on two numbers. Example 1 XOR of Three Integers Ask Question Asked 11 years, 10 months ago Modified 9 years, 5 months ago Nov 12, 2025 · Performance Considerations XOR operations are generally very fast, but if you are performing XOR operations on a large number of elements in a loop, consider using parallel processing techniques if possible to improve performance. xor eax, 0x1 ; If the number is odd then the lowest bit becomes 0. Input and output in binary, decimal, hexadecimal or ASCII. Jul 23, 2025 · Your All-in-One Learning Portal: GeeksforGeeks is a comprehensive educational platform that empowers learners across domains-spanning computer science and programming, school education, upskilling, commerce, software tools, competitive exams, and more. The bitwise calculator lets you execute bitwise AND, bitwise OR, and bitwise XOR (exclusive or) operations. Jul 7, 2022 · How do you get two XOR strings? Approach: The idea is to iterate over both the string character by character and if the character mismatched then add “1” as the character in the answer string otherwise add “0” to the answer string to generate the XOR string. Oct 8, 2025 · The ^ (bitwise XOR) in C takes two numbers as operands and does XOR on every bit of two numbers. 3 input XOR operation or 4 input XOR operation). n. The XOR Gate The XOR gate, short for "exclusive OR" gate, is a fundamental component in digital electronics that implements the exclusive OR logical operation. How to perform the calculation? Jul 4, 2021 · Given the truth table for a 3-input XOR, how come the output is 1 when all inputs are 1? This doesn't logically extend from a 2-input XOR where output is 0 when all inputs are 1. Aug 31, 2018 · I have three boolean values. Similarly, for all negative numbers, we consider their representation in binary format using 2's complement (one of most commonly used) and do simple XOR on their binary representation. i. In the arithmetic-logic unit (which is within the CPU), mathematical operations like: addition, subtraction, multiplication and division are done in bit-level. Just paste your numbers or codes in, and instantly see the result in decimal, binary, and hex. Which makes sense, since bool is just a subclass of int, but is implemented to only have the values 0 and 1. So the output is 3. Includes truth tables, step-by-step solutions, and educational examples. Of course, there are a number of straightforward ways to solve this problem, but there is also a perhaps surprising one using XOR. Can you solve this real interview question? Number of Unique XOR Triplets I - You are given an integer array nums of length n, where nums is a permutation of the numbers in the range [1, n]. And the result of R XOR C is then XOR with input 4 and so on. The XOR operator returns 1 if the corresponding bits in the two operands are different, and 0 if they are the same. What is XOR C++? There is a somewhat unusual operator in C++ called bitwise EXCLUSIVE OR, also known as bitwise XOR. The result of XOR is 1 if the two bits are different. Why does the following algorithm work? Find the remainder of n by moduling it with 4. Jul 23, 2025 · Bitwise XOR Operator is represented by the caret symbol (^). So the logical_xor function would be implemented like: Can you solve this real interview question? Find the XOR of Numbers Which Appear Twice - You are given an array nums, where each number in the array appears either once or twice. Calculate XOR operations for boolean values, binary numbers, and bitwise operations. Can you solve this real interview question? Number of Unique XOR Triplets II - You are given an integer array nums. Bitwise XOR Operator (^) The ^ operator (also known as the XOR operator) stands for Exclusive Or. This problem was used Sep 17, 2024 · For 3-input XOR gates, we can have the HIGH input when odd numbers of inputs are at HIGH level. And logical xor is equivalent to bitwise xor when the domain is restricted to 0 and 1. I thought i could use the xor ^ operator for this but its not wor Jun 19, 2011 · Now, if X XOR X is 0, and XOR is associative, and you need to find out what number hasn't repeated in a sequence of numbers where all other numbers have been repeated two (or any other odd number of times). , their datatype should be the same. the task is to find the maximum possible sum of three numbers when you are allowed to perform the following operation any number of times (possibly zero): Choose any integer X such that X ? max ( A, B, C ), and replace A with A^X, B with B^X, and C with C^X. A XOR triplet is defined as the XOR of three elements nums[i] XOR nums[j] XOR nums[k] where i <= j <= k. Mar 15, 2020 · All numbers appear exactly once, except one number, which is missing. Let’s denote it by ^. Example 1: Input: nums = [1,2,1,3] Output: 1 Explanation: The only number that appears twice in nums is 1 Dec 10, 2018 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. If I only know "a" and "d", and there is no relationship between a, b, c. Here’s the truth table of XOR operation between two bits. We will further learn about how XOR Operation Works with Negative numbers and Positive numbers with examples. I saw this solution on care Simple Example: XOR of Two Numbers Let’s XOR 5 and 3: Complete Example: XOR of All Pairs The XOR (exclusive OR) operation is a fundamental binary operation used in various algorithms. Better than official and forum solutions. I know that XORing 2 decimal numbers mean that, they binary representations are XORed. Jul 18, 2025 · The XOR Calculator lets you forget about manual conversion and bit-by-bit math. I will return true in every other situation. Example 1: Input: nums = [1,2,1,3] Output: 1 Explanation: The only number that appears twice in nums is 1 In-depth solution and explanation for LeetCode 2997. Multiple input numbers (even greater than 2) are supported by applying bitwise operations successively on the intermediate results. Oct 19, 2017 · how is it equal $A$ xor $B$ xor $C = A'BC' + AB'C' + A'B'C + ABC. To implement the XOR operation using different gates, the logical expression of the XOR gate was used. Nov 24, 2020 · Demystify bitwise XOR! Learn how this logical operator works with its truth table and clear examples, including operations on positive and negative numbers. In-depth solution and explanation for LeetCode 3158. Jul 23, 2025 · Like out of [7,2,2,3,3,4,4,5,5,6,6] If we XOR each of the above elements then elements occurring even number of times will give '0' and elements occurring odd number of times will give the output. Sep 14, 2024 · Given a number n, the task is to find the XOR from 1 to n. The << (left shift) in C takes two numbers, the left shifts the bits of the first operand, and the second operand decides the number of places to shift. May 15, 2017 · Reads a hexadecimal number from stdin. Find this missing number. Feb 24, 2012 · Although XOR gates can only have two inputs, you can perform the XOR operation using any number of inputs (e. A triplet is said to be unique if all of the three numbers in the triplet are unique. So far, this is Calculate the exclusive or (XOR) with a simple web-based calculator. Note that in examples below ^ does not mean power but integer xor (like in C or Java language) So, xored(0) = 0, xore Jun 20, 2016 · I need to do an xor conditional between 3 values, ie i need one of the three values to be true but not more than one and not none. About Bitwise Calculator The Bitwise Calculator is used to perform bitwise AND, bitwise OR, bitwise XOR (bitwise exclusive or) operations on two integers. They XOR input A and B and the result of them "R" is then XOR with input C. . Traverse the binary expansion of the fixed number. Is there a way to Can you solve this real interview question? Find the XOR of Numbers Which Appear Twice - You are given an array nums, where each number in the array appears either once or twice. I need to return false if all three are true or if all three are false. Nov 10, 2022 · Given N numbers with no duplicates, count the number of unique triplets (ai, aj, ak) such that their XOR is 0. Apr 9, 2022 · Use the bitwise xor calculator to perform an exclusive or between two numbers, once converted to 32-bit binary numbers. e, The result of the bitwise XOR operator is 1 if the corresponding bits of two operands are opposite, otherwise 0. Whether you’re a developer, student, electronics hobbyist, or engineer, this calculator will help you perform XOR operations in seconds—accurately and efficiently. XOR XOR is a logical operator that works on bits. This tool allows you to input numbers from the binary, octal, and decimal number systems and presents the result of the bitwise operations in all those numeral systems. A XOR triplet is defined as the XOR of three elements nums [i] XOR nums [j] XOR nums [k] where i <= j <= k. Here is a truth table for the three input XOR shown: Jul 23, 2025 · Conclusion In this article, we have implemented a combination circuit which represents the XOR operation. Return the number of unique XOR triplet values from all possible triplets (i, j, k). This gate is unique in that it outputs a true value (or, in binary terms, a '1') only when an odd number of its inputs are true. 2. Venn diagram of Exclusive or, exclusive disjunction, exclusive alternation, logical non-equivalence, or logical inequality is a logical operator whose negation is the logical biconditional. So the 3-input OR gate is called as “Odd functioned OR gate”. What's reputation and how do I get it? Instead, you can save this post to reference later. for two inputs we use xor(1,0), for three input bits xor(1,1,0), gives error. Sep 29, 2013 · I want to know a algorithm to find out the maximum xor value of three elements of an array. We would like to show you a description here but the site won’t allow us. With multiple inputs, XOR is true if and only if the number of true inputs is odd. To perform bit-level operations in C programming, bitwise operators are used. Jun 16, 2018 · How to calculate the XOR of three numbers for example numbers input from the user are a,b and c then (a XOR b XOR) = ? I wrote a function to calculate the same, but it is not working properly : Jul 23, 2025 · Online XOR Calculator is a free online tool to calculate XOR value of two integers. g. Jun 20, 2014 · What is the simplest way to do a three-way exclusive OR? In other words, I have three values, and I want a statement that evaluates to true IFF only one of the three values is true. May 20, 2012 · You are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. Take Bitwise and of Nov 14, 2015 · This is an interview problem I encountered, I know how to get the brute force solution by repeatedly XORing numbers, but I have no idea how to do this more efficiently. It is used to perform a bitwise XOR operation on the individual bits of two operands. e. Maximum Xor Product - Given three integers a, b, and n, return the maximum value of (a XOR x) * (b XOR x) where 0 <= x < 2n. (Here ^ denotes Bitwise XOR operation) Examples: Input: A = 2, B = 3, C = 5 Output: 14 Explanation: We Mar 25, 2018 · XOR Calculator May 31, 2020 3 Comments Online calculator for bitwise XOR operation on text in ASCII or numbers in Binary, Octal, Decimal, & Hex formats. Since the answer may be too large, return it modulo 109 + 7. Minimum Number of Operations to Make Array XOR Equal to K in Python, Java, C++ and more. I named the function xored(n). I was trying to calculate integer xor of 0. Here, if bits in the compared position do not match their resulting bit is 1. Ultimately we will get 7 as output as only this element is occurring once only and rest other elements are occurring even number of times. Intuitions, example walk through, and complexity analysis. Online XOR calculator is an online tool which can be used to perform various XOR operations on numbers and calculate Bitwise XOR calculation. Represent each given number in it's binary form and consider it as a vector in the Zd2 Z 2 d vector space, where d d is the maximum possible number of bits. Using the XOR swap algorithm to exchange nibbles between variables without the use of temporary storage In computer programming, the exclusive or swap (sometimes shortened to XOR swap) is an algorithm that uses the exclusive or bitwise operation to swap the values of two variables without using the temporary variable which is normally required. This geeksforgeeks online XOR Calculator makes the calculation faster and it displays the conversion in a fraction of seconds. You have to find out the XOR of all the numbers in the given range. Now let us see the XOR operation on different datatypes in Python. Jul 12, 2025 · 2 XOR 2 XOR 2 != 2+2+2 So (0, 0), (0, 1) and (1, 0) are the required pairs. The bool of a string will result in True if the string is non-empty and False if the string is empty. Is there a way to check if "a" has been Aug 17, 2024 · This tool will let you calculate the bitwise XOR of two numbers quickly and easily. Examples : Input : n = 6 Output : 7 // 1 ^ 2 ^ 3 ^ 4 ^ 5 ^ 6 = 7 Input : n = 7 Output : 0 // 1 ^ 2 ^ 3 ^ 4 Nov 16, 2020 · How to perform xor operation on an three input binary bits. Dec 17, 2016 · Let's say a, b, c are three integers. But what does it mean non-mathematical sense ? What significance does it have? 4 days ago · 3. $ can someone explain using with boolean algebra rules. Conclusion In this blog post, we have explored the concept of performing XOR operations on three numbers in Java. Then, xor of some of these numbers is equivalent to addition of the corresponding vectors in the vector space. Exclusive-OR (or XOR) is a logical operation, which outputs 1 only when two input bits are different, output 0 otherwise. (In English We would like to show you a description here but the site won’t allow us. With two inputs, XOR is true if and only if the inputs differ (one is true, one is false). One way to find the missing number is to use all 3 XOR properties above and do the following: Aug 13, 2025 · In this blog, we will learn about xor operation. The Mar 6, 2021 · Since, the MSB becomes 0 after the XOR operation, so the resultant number we get is a positive number. Apr 30, 2017 · The xor operator on two booleans is logical xor (unlike on ints, where it's bitwise). Return the bitwise XOR of all the numbers that appear twice in the array, or 0 if no number appears twice. mov ebx, eax call read_hex add ebx, eax call read_hex add ebx, eax mov eax, ebx ; Move the sum of the three given numbers into eax. This MATLAB function performs a logical exclusive-OR of inputs A and B and returns an array or a table containing elements set to either logical 1 (true) or logical 0 (false). This example demonstrates how to calculate the XOR of all possible pairs formed by two arrays. Based on my research, in some specifications this is Jul 23, 2025 · Given three integers A, B, and C. I have read about the maximum xor for two elements from an array but cannot understand how to apply it on Dec 15, 2013 · Hence this truth table: You can find a XOR gate that have more than two inputs, but they are not actually a 3 input XOR. Input: N = 4 Output: 9 Approach : To make the sum of three numbers equal to the xor of three number with one of the number given we can do following:- Represent the fixed number in binary form. [1] It gains the name "exclusive Jul 23, 2025 · The XOR should only be between homogeneous elements, i. It is also possible to perform bit shift operations on integral types. XOR on Integers The integer numbers are first converted into the binary numbers and then each bit is compared with one another. Find the XOR of Numbers Which Appear Twice in Python, Java, C++ and more. Then XOR them together and get d = a ^ b ^ c. The algorithm is primarily a novelty and a way of Our XOR Calculator Tool is a powerful and user-friendly online tool designed to instantly compute the XOR operation between two numbers in binary, decimal, or hexadecimal format. The expression helped to decide the three gates that were to be used namely AND, OR and NOT gate. Upvoting indicates when questions and answers are useful. More than two inputs XOR operation is that, when the odd number of inputs in the gate area 1, the output is 1, and when none or even the number of inputs is 1, the output is logical 0. If rem = 0, then XOR will be same a. nghpkwi rmludo fvhqnuc voher samdm bbvgrs kwkng ffv yqfv dswop moxsc zzpoac zslio xqmzm xlmx