Exam-Eve Briefing: Trees and Heaps
0:00 / 5:06
Exam Triage & Game Plan
0:00 - 0:29
Quick triage of high-yield topics to focus study efforts.
Item 7: BST Core Property
0:29 - 1:08
Mastering the core BST property and identifying invalid BSTs.
Item 6: BST Deletion Logic
1:08 - 1:43
Logic for BST deletion, focusing on the two-child case.
Item 5: Heaps & Completeness
1:43 - 2:13
Definition and visual identification of valid Min/Max heaps.
Item 4: Heap Implementation
2:13 - 2:45
Using array indices for fast heap navigation (2i, 2i+1).
Item 3: AVL Rotations
2:45 - 3:18
Calculating balance factors and choosing between single and double rotations.
Item 2: Essential Math Formulas
3:18 - 3:48
Key formulas for node counts, heights, and leaves.
Item 1: Tree Taxonomy Definitions
3:48 - 4:24
Differentiating between Full, Complete, and Perfect binary trees.
The Walk-In Summary
4:24 - 5:06
Rapid recap of all concepts and common exam traps.