SINGLE NUMBER | AMAZON | LEETCODE | TAMIL

One of the Amazon's commonly asked interview questions according to Leetcode. Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. Follow up: Could you implement a solution with a linear runtime complexity and without using extra memory? Example 1: Input: nums = [2,2,1] Output: 1 Example 2: Input: nums = [4,1,2,1,2] Output: 4 Follow me on Github:https://github.com/Gokulesh2001 Follow me on LinkedIn:https://www.linkedin.com/in/gokulesh-k-a-13a16b199