LeetCode Daily: Number Complement Solution in Java | August 22, 2024
🔍 LeetCode Problem of the Day: Number Complement
Today, we're exploring the "Number Complement" problem in Java, part of the LeetCode daily challenge series. This problem challenges you to find the complement of a given integer, which involves flipping its binary bits.
👉 Problem Link: https://leetcode.com/problems/number-...
👉 Solution: Pinned on the comments
🌟 Problem Description:
In this challenge, given a positive integer num, you are to find its complement, which is obtained by flipping every bit in its binary representation.
🔑 Code Explanation:
Bit Manipulation: The solution uses bitwise operations to determine the complement.
Mask Calculation: A mask is generated by shifting bits left and OR-ing with 1, creating a number that has the same length as num but with all bits set to 1.
Complement Calculation: The complement of num is then calculated by XOR-ing the mask with num.
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