How do I approach Coding & Algorithms interview questions?

Coding & Algorithms questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master coding & algorithms interviews.

What difficulty level is this interview question?

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

What role is this question designed for?

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

Debug and Explain Fixes | Brex Interview Question

Q: Debug and Explain Fixes

This question evaluates a candidate's debugging and root-cause analysis skills, familiarity with unit testing and regression prevention, and ability to modify a small codebase to fix defects within the coding and algorithms domain.

Given a small codebase with failing unit tests, identify the root causes of the failures, fix the bugs, and explain the defects you found. Add minimal tests to prevent regressions and describe your debugging strategy and the tools you used.

Debug and Explain Fixes

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