Solution: Single Number II
Understand how to identify two unique elements in an array where all others appear twice using bitwise XOR manipulation. Explore the step-by-step algorithm leveraging the rightmost set bit to separate and isolate unique numbers efficiently with 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:
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