Binary Search and Binary Search on Answer: A Unified Template

Binary search is a fundamental technique for efficiently locating an element in a sorted array or finding an optimal value in a monotonic space. The core idea is to maintain a search interval that shrinks until the desired position is identified. Rather than memorizing multiple templates, a single open-interval approach works for both ordinary ...

Posted on Wed, 23 Sep 2026 16:26:47 +0000 by Zmodem