How to resolve the algorithm Singly-linked list/Element insertion step by step in the C programming language

Published on 7 June 2024 03:52 AM
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How to resolve the algorithm Singly-linked list/Element insertion step by step in the C programming language

Table of Contents

Problem Statement

Using this method, insert an element C into a list comprised of elements A->B, following element A.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Singly-linked list/Element insertion step by step in the C programming language

  • This C code demonstrates the insertion of new elements into a linked list by appending them to the end.

  • We have three structure variables a, b, and c of type struct link which we dynamically allocate memory for them using malloc.

  • We set the data members of these structure variables to 1, 2, and 3, respectively

  • Then, We utilize a function called insert_append to insert the b new link after the a anchor link.

  • Again, we use the insert_append function to insert the c new link after the a anchor link.

  • Finally, we release the memory allocated for the link structures a, b, and c using free to prevent memory leaks.

Source code in the c programming language

void insert_append (struct link *anchor, struct link *newlink) {
  newlink->next = anchor->next;
  anchor->next = newlink;
}


struct link *a, *b, *c;
a = malloc(sizeof(link));
b = malloc(sizeof(link));
c = malloc(sizeof(link));
a->data = 1;
b->data = 2;
c->data = 3;


 insert_append (a, b);


 insert_append (a, c);


 free (a);
 free (b);
 free (c);


  

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