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 Onsite rounds at HubSpot.

What role is this question designed for?

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

Merge two sorted linked lists | HubSpot Interview Question

Q: Merge two sorted linked lists

This question evaluates understanding of linked list manipulation, algorithmic reasoning for merging sorted sequences, and the ability to analyze time and space complexity while handling edge cases such as empty lists and duplicate values.

Given the heads of two singly linked lists sorted in non-decreasing order, merge them into a single sorted singly linked list and return its head. Implement both iterative and recursive solutions, analyze time and space complexity, and handle edge cases such as empty lists and duplicate values.

Merge two sorted linked lists

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