Search in Bitonic Array | InterviewBit Solution (O(log N) Time)

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Master the Bitonic Array Search! (Coding Interview Prep)

Struggling with complex binary search variations? In this video, we break down the *Search in Bitonic Array* problem, a classic "upper-easy" to medium-level challenge.

🔍 What is a Bitonic Array?

A Bitonic sequence is a unique array that strictly increases to a "peak" element and then strictly decreases. Searching for a target in the sequence requires more than just a standard binary search. It requires a strategic triple-threat approach.

🚀 What You’ll Learn:

In this step-by-step walkthrough, we cover the full algorithmic logic:

*Finding the Peak:* How to use binary search to locate the maximum element where the sequence changes direction.
*Ascending Search:* Implementing a standard binary search on the increasing half.
*Descending Search:* Modifying binary search logic to handle the decreasing half of the array.
*Edge Cases:* Handling scenarios where the target is greater than the peak or simply doesn’t exist (returning -1).

💡 Why This Problem Matters:

If you are getting ready for technical rounds at FAANG companies, mastering variations of binary search is essential for proving your algorithmic efficiency.

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0:00 - Problem Overview & Bitonic Definition
3:32 - Step 1: Finding the Peak Element
6:34 - Step 2: Searching the Ascending Half
8:50 - Step 3: Searching the Descending Half
10:50 - Final Summary & Key Takeaways