Zero Sum Subarrays (Detect & Count) | Prefix Sum + Hashing Explained
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YouTubeAditya Pateriya
Zero Sum Subarrays (Detect & Count) | Prefix Sum + Hashing Explained
Today, I’m breaking down two closely related and extremely important subarray problems in DSA: 00:00 Subarray with Zero Sum (Existence Check) 19:05 Count Subarrays with Zero Sum Both problems use the same Prefix Sum + Hashing pattern, but require different thinking based on what we store in the map and why. In this video, I focus on building ...
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