Скачать или смотреть 30 HARD Challenge - Day 25: Linked List Mastery: LeetCode Problem #25: Reverse Nodes in k-Group

Welcome back to Day 25 of my 30-Day LeetCode Hard Challenge! Today, we tackle an intriguing linked list problem: "Reverse Nodes in k-Group" (LeetCode Problem #25). In this problem, we're given a linked list, and our task is to reverse the nodes of the list k at a time and return the modified list. If the number of nodes is not a multiple of k, leave the remaining nodes as they are. This challenge is perfect for testing your understanding of linked list manipulation, pointers, and iterative vs. recursive approaches.

In this video, I'll walk you through the problem statement, constraints, and examples to set the stage. We'll then dive into multiple solutions, starting with an intuitive approach before optimizing it. I will provide step-by-step explanations, ensuring that every concept is clear. By the end of this video, you'll have a strong grasp of how to handle linked list reversal in groups, a technique frequently seen in technical interviews.

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