930. Binary Subarrays With Sum | 560. Subarray Sum Equals K | Prefix Sums | 2 Pointer Crash Course

In this video, I'll talk about how to solve 930. Binary Subarrays With Sum | 560. Subarray Sum Equals K | Prefix Sums | 2 Pointer

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✨ Timelines✨
0:00 - Coming Up
1:14 - Problem Explanation
2:12 - Approach1 - Brute Force
2:58 - Approach2 - Brute Force Optimised
4:00 - Approach3 - Prefix Sum Intuition & Dry Run
10:57 - Prefix Sums Code Explanation
13:56 - Approach4 - 2 Pointers
14:40 - Why & Why Not 2 Pointers in DETAIL
31:16 - Approach4 for Leetcode 930
35:04 - Approach4 Code Explanation

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#programming #Interviews #leetcode #faang #maang #datastructures #algorithms