Solution: Single Number II
Explore how to identify two unique numbers in an array where all other elements appear twice by applying bitwise XOR operations. Understand how to use the rightmost set bit to separate and find the unique elements efficiently using constant extra space.
We'll cover the following...
We'll cover the following...
Statement
Given a non-empty array arr, in which exactly two elements appear once, and all the other elements appear twice, return the two elements that appeared only once.
Note: The result can be returned in any order. The solution should use only constant extra space.
Constraints:
...