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Grokking the Coding Interview Patterns in C#

Solution: Single Number

Explore how to efficiently identify the unique element in an integer array where every other element appears twice. Understand and apply the bitwise XOR operator to achieve a linear runtime and constant space complexity solution. This lesson helps enhance problem-solving skills related to bitwise manipulation techniques in coding interviews.

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Statement

Given an array of integers, where every element appears twice except for one, find the element that occurs only once.

Note: The solution must have linear runtime and constant space complexity.

Constraints:

  • 1≤1 \leq
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