Example 1: 2 3 4 5 5 4 3 2 1 Input: head = [1,2,3,4,5] Output: [5,4,3,2,1]

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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**Example 1:**

The diagram illustrates the process of reversing a singly linked list. 

**Initial Linked List:**
- The linked list contains the nodes 1, 2, 3, 4, and 5.
- Each node points to the next in sequence: 1 → 2 → 3 → 4 → 5.

**Reversed Linked List:**
- The order of the nodes is reversed.
- The new sequence of nodes is: 5 → 4 → 3 → 2 → 1.

**Input:**
- `head = [1, 2, 3, 4, 5]`

**Output:**
- `[5, 4, 3, 2, 1]`

The illustration clearly demonstrates the transformation from the initial linked list to the reversed linked list. This is a common operation in data structures, particularly in linked list manipulations. The diagram uses a downwards arrow to symbolize the reversal process.
Transcribed Image Text:**Example 1:** The diagram illustrates the process of reversing a singly linked list. **Initial Linked List:** - The linked list contains the nodes 1, 2, 3, 4, and 5. - Each node points to the next in sequence: 1 → 2 → 3 → 4 → 5. **Reversed Linked List:** - The order of the nodes is reversed. - The new sequence of nodes is: 5 → 4 → 3 → 2 → 1. **Input:** - `head = [1, 2, 3, 4, 5]` **Output:** - `[5, 4, 3, 2, 1]` The illustration clearly demonstrates the transformation from the initial linked list to the reversed linked list. This is a common operation in data structures, particularly in linked list manipulations. The diagram uses a downwards arrow to symbolize the reversal process.
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