Determine Length of Longest Unique Substring

Q: Determine Length of Longest Unique Substring

This question evaluates string-processing skills and algorithmic problem-solving, including handling character uniqueness and performance considerations. Commonly asked in Coding & Algorithms interviews to assess a candidate's ability to implement efficient solutions and reason about time/space trade-offs, it targets practical application rather than purely conceptual understanding.

Q: 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.

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Scenario

Online assessment: coding portion that follows the SQL questions.

Question

Implement a function that, given a string s, returns the length of the longest substring without repeating characters.

Hints

Use a sliding window and a hash map to track the latest index of each character.

Determine Length of Longest Unique Substring

Scenario

Question

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