Start hereScan or eliminate half
Binary and Linear Search
- Choose it when
- Choosing a search from data order
- Watch for
- Binary search earns speed only when the values are sorted.
Search strategies
Compare search decisions across ordered arrays and connected structures, then see why the frontier matters.
What can each observation safely eliminate?
Choose by the decision you want to understand
Each lesson names the situation it fits and the behavior worth watching.
IntermediateChoose a frontier
BFS vs DFS
- Choose it when
- Graph reachability and traversal order
- Watch for
- A queue explores by distance while a stack follows one path deeply.