Binary Search | Leetcode 704 | Brute Force + Optimal

📌 Welcome to **Day 1** of my DSA Playlist!
In this video, we’re solving **Leetcode 704: Binary Search**, a must-know problem in every coding interview.

👨‍💻 What You'll Learn:
- Brute Force Approach (Linear Search)
- Optimal Binary Search Approach (O(log n))
- Dry Run for step-by-step understanding
- Full code walkthrough in C++
- Interview tips and tricks

🧠 Problem:
You’re given a sorted array and a target number. Find the index of the target using binary search. If not found, return -1.

Link - https://leetcode.com/problems/binary-search/
📈 Time Complexities:
- Brute Force: O(n)
- Binary Search: O(log n)

✅ This is the **first video** in my Binary Search playlist.
Stay tuned every day as we solve more DSA questions with explanations and patterns.

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📺 Let's master DSA together — one day, one problem at a time!

#BinarySearch #Leetcode704 #DSASeries #CodingInterview #100DaysOfCode

Видео Binary Search | Leetcode 704 | Brute Force + Optimal канала CodeBattle with Ajay