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Problem: Search Insert Position

Discover how to implement binary search to locate a target element or its correct insertion position in a sorted array of distinct integers. This lesson helps you understand the step-by-step process to achieve O(log n) runtime, ensuring efficient searching and insertion with minimal space usage.

Statement

You are given a sorted array nums consisting of distinct integers, along with an integer target. If target exists in nums, return its index. Otherwise, return the index at which target would need to be inserted to maintain the array’s sorted order.

Your solution must achieve O(logn)O(\log n) runtime complexity.

Constraints:

  • 11 \leq ...