LeetCode 136 | Single Number | Solution Explained (Java + Whiteboard)
Given a non-empty array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?
Example 1:
Input: [2,2,1]
Output: 1
Running Time: O(N)
Space Complexity: O(1)
Github: https://github.com/xavierelon1
Github HackerRank Solutions: https://github.com/XavierElon1/Hacker...
Github Leetcode Solutions: https://github.com/XavierElon1/LeetCo...
Facebook: / xavier.hollingsworth.3
Instagram: / xavierelon
LinkedIn: / xavier-hollingsworth-524144127
Twitter: / elon_xavier