Array Patterns | All 4 must-know patterns for interviews 💯

Published: 13 January 2026
on channel: RisingBrain

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Arrays are one of the most asked topics in coding interviews, but most people struggle because they don’t see the patterns behind the problems.

Here is the DSA Pattern wise Sheet - https://www.risingbrain.org/sheet
Do follow this sheet to tackle 90% of ques in the interview

In this video, I’ve explained the core Array Patterns that help you solve a wide range of problems efficiently instead of using brute force.

📌 Patterns covered in this video:

Two Pointer Approach – used in problems like Two Sum, Sort Colors, and more

Sliding Window Technique – both fixed and variable window problems

Prefix Sum Approach – useful for subarray sum–type problems

Kadane’s Algorithm – the optimal way to find maximum subarray sum

Once you understand these patterns, array problems start feeling logical instead of confusing.

This video is part of my DSA Playlist, so make sure you follow along.

If this helped you, like the video, share it with your friends, and subscribe for more DSA concepts explained in a simple and practical way

Connect with me here:

Linkedin - / anjalikumari22
Instagram - / rbanjali.codes
Twitter - https://x.com/anjali1kumari?s=21

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