Find the Unique Element in Pairs

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Use PracHub's coding console to write, test, and debug your solutions in Python or JavaScript. View hints, test against sample inputs, and compare with official solutions.

Q: What difficulty level is this coding question?

This is a medium difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Xiaohongshu.

Q: What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Xiaohongshu during technical interviews.

Question

Find the Unique Element in Pairs

PracHub · Accepted Answer

This question evaluates a candidate's ability to design time- and space-efficient algorithms for sorted array problems, focusing on identifying a single non-duplicated element among paired values.

Quick Overview

Find the Unique Element in Pairs