IB Computer Science Topic D.4.7 Linked List Algorithms with Object References Revision Notes (SL/HL)

IB Computer Science Topic D.4.7 Linked List Algorithms with Object References Revision Notes (SL/HL) | RevisionDojo

Linked List Algorithms Using Object References

Insertion in Order

When inserting a new node into the sorted linked list, we need to consider three scenarios:

A new node at the beginning of the list
1. Set the new node's next to the current head.
2. Update the head to the reference to the new node.
A new node in the middle of the list
1. Get the node that should be before the new node (let's denote that node A).
2. Store temporarily a reference of the next node of A (let's denote that node B).
3. Hence, the new node should be between node A and node B.
4. Set the next attribute of the new node to the reference of node B.
A new node at the end of the list.

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Note

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Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Linked List Algorithms Using Object References

Insertion in Order

When inserting a new node into the sorted linked list, we need to consider three scenarios:

A new node at the beginning of the list
1. Set the new node's next to the current head.
2. Update the head to the reference to the new node.
A new node in the middle of the list
1. Get the node that should be before the new node (let's denote that node A).
2. Store temporarily a reference of the next node of A (let's denote that node B).
3. Hence, the new node should be between node A and node B.
4. Set the next attribute of the new node to the reference of node B.
A new node at the end of the list.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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1. System fundamentals2 subtopics

2. Computer organization1 subtopic

3. Networks1 subtopic

4. Computational thinking, problem-solving and programming3 subtopics

5. Abstract data structures (HL)1 subtopic

6. Resource management (HL)1 subtopic

7. Control (HL)1 subtopic

A. Databases4 subtopics

B. Modelling and simulation4 subtopics

C. Web science6 subtopics

D. Object-oriented programming (OOP)4 subtopics

IB Computer Science D.4.7 Linked List Algorithms with Object References Notes

1. System fundamentals2 subtopics

2. Computer organization1 subtopic

3. Networks1 subtopic

4. Computational thinking, problem-solving and programming3 subtopics

5. Abstract data structures (HL)1 subtopic

6. Resource management (HL)1 subtopic

7. Control (HL)1 subtopic

A. Databases4 subtopics

B. Modelling and simulation4 subtopics

C. Web science6 subtopics

D. Object-oriented programming (OOP)4 subtopics

Linked List Algorithms Using Object References

Insertion in Order

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

Linked List Algorithms Using Object References

Insertion in Order

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account