CodePath SE102 - Linked List (Week II), Session 1

Transcript

1. Linked Lists Week 4

2. How was HackerRank?

3. Confusions / common problems with Linked Lists?

4. Linked List Tips and Tricks

5. Linked List Tips and Tricks Take multiple passes through the

   linked list
 - get length 
 - save other information about contents Two pointers
 - ‘race car’ strategy with one regular pointer, and one fast pointer Dummy node
 - helpful for preventing errors when returning ‘head’

6. Understand Match Pseudocode / Plan Implement Review Evaluate

7. Understand Match Pseudocode / Plan Implement Review Evaluate

8. Reverse Linked List Understand -> Match -> Plan -> Implement

9. In class exercise Understand -> Match -> Plan -> Implement

10. In class exercise Understand -> Match -> Plan -> Implement

    Try to spend ~15 minutes on a problem

11. In class exercise Understand -> Match -> Plan -> Implement

    Try to spend ~15 minutes on a problem Goal for each problem is to have it pass a simple test case