Binary Search in C++

An introduction to the advantages of binary search, and how to use it with the C++ standard library algorithms binary_search(), lower_bound(), upper_bound(), and equal_range()

Ryan McCombe
Updated
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Questions & Answers

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Handling Binary Search in Unsorted Containers
How do I handle binary search if my container is not sorted?
Using Binary Search with Custom Data Structures
Can I use binary search with a custom data structure, and if so, how?
Debugging Binary Search Issues
How do I debug issues with binary search returning incorrect results?
Using Binary Search on Linked Lists
Can binary search be used on linked lists, and if so, how?
Understanding the Iterator Returned by lower_bound()
What is the significance of the iterator returned by std::ranges::lower_bound()?
Handling Multiple Matches in Binary Search
How do I handle cases where multiple elements match the search value in binary search?
Binary Search Algorithm vs. Binary Search Tree
What is the difference between a binary search algorithm and a binary search tree?