Single Number II
Explore how to solve the problem of finding two unique numbers in an array where others appear twice. Understand the use of bitwise operations to achieve the solution with constant extra space, enhancing your problem-solving skills for coding interviews.
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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