All lessonsOpen Open Open Open Open
8. Trees
Balanced trees overview
0 of 5 activities0%
Reading 1
Why balance matters
Unbalanced BSTs degrade to O(n). AVL trees rotate to keep height difference ≤1. Red-Black trees keep approximate balance with color rules.
std::map / std::set in C++ are typically Red-Black trees — O(log n) operations.
Know that rotations restore BST order while changing shape.
Check 2
std::map
std::map operations are typically
Fill in 3
Fix shape
Try it 4
Height of chain
Skewed height.
main.cpp
Loading editor…
Output will appear here.
Assignment 5
Log depth hope
Read n (power of two). Print log2(n) as integer (depth scale of balanced tree).
main.cpp
Loading editor…