How to insert a node at beginning of a linked list in C| Insertion in linked list | C program |Part2
How to insert a node at beginning of a linked list in C | Insertion in linked list | C program | Part2 |
How to insert a node | how to insert a node in linked list | insert in list | singly linked list | singly linked list in data structure | singly linked list in c | insert at beginning | insert at head | linked list insertion at specific position | linked list insertion | single linked list | single linked list in data structure
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Part 1: • Linked list vs array | Insertion in linked...
The next three parts of the video , i.e. Part 3, Part 4, Part 5, Part 6 are found by the following links
Part 3: • Inserting node at beginning of linked list...
Part 4: • Inserting node at beginning of linked list...
Part 5: • Insert at beginning in singly linked list ...
Part 6: • Insert at beginning in singly linked list ...
00:01 How to insert a node at the beginning of a linked list in C?
1. Declare a head pointer and make it as NULL.
2.Create a new node with the given data.
3.Make the new node points to the head node.
4.Finally, make the new node as the head node.
00:05 How a node can be inserted to the beginning of a singly linked list?
Steps to insert node at the beginning of singly linked list. Create a new node, say newNode points to the newly created node. Link the newly created node with the head node, i.e. the newNode will now point to head node. Make the new node as the head node, i.e. now head node will point to newNode.
00:07 What is the first node in a singly linked list called?
The first node in the list is called the head, and the last node in the list is called the tail. To create a singly linked list, we first need to create a node class. Each node will have two data members: an integer value and a reference to the next node in the list.
00:09 Which node points to the first node in list?
the head node
Head and Tail: The linked list is accessed through the head node, which points to the first node in the list. The last node in the list points to NULL or nullptr, indicating the end of the list. This node is known as the tail node.
00:13 Which function adds a new node at the beginning of a list? addatbeg() will add a new node to the beginning of the list: It first checks, whether the headptr is equal to null which means the list is empty.
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