Lesson 61 of 73 1 min

Binary Search: Curated Practice Problems

A hand-picked list of 10 essential LeetCode problems to master Binary Search variations.

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.

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