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Data Structures & Algorithms Interview Questions

Review this list of 263 Data Structures & Algorithms interview questions and answers verified by hiring managers and candidates.

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Asked at Amazon • a year ago
Given an array of children’s ratings, assign at least one candy to each child so that higher-rated children get more than their neighbors, and return the minimum total candies needed.
Software Engineer
Data Structures & Algorithms
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Software Engineer
Data Structures & Algorithms
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Asked at Meta (Facebook) • 7 months ago
Implement an in-place merge of two sorted arrays.
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Data Structures & Algorithms
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Software Engineer
Data Structures & Algorithms
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Check if two lines are parallel.
Data Structures & Algorithms
Coding
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Data Structures & Algorithms
Coding

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