Charles Schwab
Charles Schwab

Specialist Software Engineer

Find Element that Appears Once

Medium
ROUND 1CodingCandidate Selected

Given an array of integers where every element appears twice except one, return the element that appears once.

This question was asked in

Charles Schwab Specialist Software Engineer Interview Experience

The Charles Schwab interview process consisted of three rounds with a focus on data structures, algorithms, and API testing. In the first round, candidates were asked coding questions related to arrays, while the second round involved database concepts and data structure discussions. The final round evaluated API testing knowledge with a focus on RestAssured framework implementation. Overall, the interview experience at Charles Schwab was moderately challenging, with a balanced mix of technical and conceptual questions.

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