Create a list : Implementing List Remove

The video tutorial covers five challenges related to manipulating linked lists. It starts with creating a linked list from scratch, inserting nodes at the front and middle, and emphasizes the importance of maintaining references to avoid losing parts of the list. The tutorial also includes code examples and explains how to delete nodes and jump over them, ensuring the list remains intact.

What is the initial task in the linked list challenges?

• Insert a node with value 0 at the end of the list.

• Delete a node with value 3 from the list.

• Create a list with nodes having values 1, 2, and 3 connected.

• Reverse the entire linked list.

How do you insert a node with value 0 at the front of a linked list?

• By swapping the first and last nodes.

• By deleting the first node and replacing it with the new node.

• By appending it to the end of the list.

• By creating a new node and linking it to the current first node.

What is crucial when adding a node with value 2 between nodes with values 1 and 3?

• Maintaining the reference to the node with value 3 before changing the link from node 1.

• Swapping the nodes with values 1 and 3.

• Deleting the node with value 1 first.

• Ensuring the node with value 2 is the last node.

What should you do if you need to insert a node between two existing nodes?

• Delete the second node and insert the new node.

• Insert the new node and update the links of the surrounding nodes.

• Swap the two existing nodes.

• Insert the new node at the end of the list.

What happens if you lose reference to a node in a linked list?

• The node's value is set to null.

• The node becomes the new root.

• The node is automatically reconnected.

• The node is effectively removed from the list.

What is the correct order of operations to maintain references when rearranging nodes?

• Swap the previous and next nodes.

• Delete the next node, then update the previous node's link.

• Update the previous node's link first, then point the new node to the next node.

• Point the new node to the next node, then update the previous node's link.

What is the task in the problem involving deleting a node?

• Remove the first node and reassign the root.

• Sever the connection to the last node and update the previous node's link.

• Delete all nodes with even values.

• Reverse the order of all nodes.

How do you handle a node that is no longer referenced in a linked list?

• It is moved to the end of the list.

• It becomes the new root.

• It is automatically garbage collected.

• It remains in the list but is ignored.

What is the result of skipping a node in a linked list?

• The skipped node is moved to the end of the list.

• The list becomes circular.

• The skipped node becomes the new root.

• The skipped node is deleted from the list.

What is the key consideration when deleting a node from a linked list?

• Maintaining the list's circular structure.

• Ensuring the node is the root.

• Swapping the node with the last node.

• Updating the links of the surrounding nodes to maintain the list's integrity.