Why Practice Binary Search?
Binary Search is more than just finding an index. It's a way to optimize any problem where the search space is monotonic. It appears in nearly every FAANG interview.
Hand-Picked Problems
| Problem | Difficulty | Key Pattern |
|---|---|---|
| Binary Search | Easy | Core Pattern |
| Search a 2D Matrix | Medium | 1D to 2D Mapping |
| Find First and Last Position | Medium | Bound Search |
| Search in Rotated Sorted Array | Medium | Modified Half Search |
| Koko Eating Bananas | Medium | Search on Answer |
| Find Peak Element | Medium | Gradient Search |
| Median of Two Sorted Arrays | Hard | Binary Search on Partitions |
| Capacity To Ship Packages | Medium | Search on Answer |
| Split Array Largest Sum | Hard | Search on Answer |
| Search Insert Position | Easy | Basic Logic |
Interview Tip
When binary searching on a range, always check for integer overflow when calculating mid.