Скачать или смотреть Create a Singly Linked List in C+ +

Learn how to create a `singly linked list` in C+ + , with simple explanations and code examples. Perfect for beginners!
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This video is based on the question https://stackoverflow.com/q/68148878/ asked by the user 'jfelix-agda' ( https://stackoverflow.com/u/14526729/ ) and on the answer https://stackoverflow.com/a/68149263/ provided by the user 'Suwaid Aslam' ( https://stackoverflow.com/u/10910070/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Singly Linked List in C+ + : A Step-by-Step Guide

When it comes to managing sets of data in programming, linked lists are a vital concept that every programmer should understand. This post will help you create a singly linked list in C+ + that handles user input effectively.

The Problem at Hand

Imagine you're working on a project where you need to create a linked list with user-defined nodes. The requirement is straightforward: take a number of inputs from the user and store them as nodes in your linked list. The challenge arises when your initial code isn't working correctly, only outputting the last value inputted instead of the entire linked list.

Let’s break down the issue and understand how to solve it.

The Initial Code Review

Here's a portion of the initial code you provided:

[[See Video to Reveal this Text or Code Snippet]]

Issues Identified

Node Creation: Nodes are being created and assigned within the addNode function, but they are not linked correctly.

Looping Issue: The loop structure in your addNode function does not properly link the nodes.

Unnecessary Passing of Size: The size variable is not needed in the addNode function.

With these issues in mind, let's move towards a solution.

A Simplified Approach to Create the Linked List

Step 1: Adjust Your Data Structures

Your node structure is essentially fine, but you can simplify how you reference the head of your list.

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Refactor the addNode Function

Instead of passing the size to your addNode, let’s only pass the value of the node. Here's the revised addNode function:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Displaying the Linked List

You will want to create a function to display your linked list:

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Putting It All Together in Main

Now, let’s tie it all together in the main function:

[[See Video to Reveal this Text or Code Snippet]]

Final Thoughts

The above changes solve the previous issues with your linked list implementation in C+ + . By taking out unnecessary parameters and ensuring nodes are linked properly, you can now successfully create and display a linked list from user inputs.

Give it a try in your C+ + environment, and you'll see how straightforward and useful linked lists can be for managing data!

Happy coding!