Given the head of a singly linked list, reverse the list, and return the reversed list.

AnswerBot
1mo

Reversing a linked list involves changing the direction of the pointers between nodes.

  • Iterative approach: Use three pointers (prev, current, next) to reverse links.

  • Example: For list 1 -> 2 -> 3, after...read more

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PubMatic Senior Software Engineer interview questions & answers

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