Скачать или смотреть Subarray Sum Equals K | Brute Force & Optimized | Java, C++, Python | Crack Any Coding Interview

🚀 Learn how to solve the "Subarray Sum Equals K" problem from scratch using both Brute Force and Optimized approaches in Java, C++, and Python. Whether you're a beginner or preparing for top FAANG interviews, this video breaks the solution down using first principles thinking.

🧠 Problem Statement:
Given an integer array `nums` and an integer `k`, return the total number of continuous subarrays whose sum equals `k`.

📌 What You'll Learn:
Brute Force Approach: O(n²) time
Optimized Approach using Prefix Sum + HashMap: O(n) time
Step-by-step explanation
Code in Java, C++, and Python
Interview tips and transitions from brute to optimal logic

✅ Ideal for:
DSA learners
FAANG coding prep
Java/C++/Python developers

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https://leetcode.com/problems/subarray-sum...

https://github.com/kunwar0697/Arrays