Mastering Two Pointers & Sliding Window Techniques in Coding Interviews

if you’re prepping for coding interviews, you’ve likely come across problems like: "Find two numbers in an array that add up to a target." "Find the longest substring without repeating characters." "Find the maximum sum of a subarray of size k." Guess what? Most of these can be solved using two powerful techniques: Two Pointers and Sliding Window. Let’s break them down and see how they can save you from brute force nightmares

Apr 16, 2025 - 15:33
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Mastering Two Pointers & Sliding Window Techniques in Coding Interviews

if you’re prepping for coding interviews, you’ve likely come across problems like:

"Find two numbers in an array that add up to a target."

"Find the longest substring without repeating characters."

"Find the maximum sum of a subarray of size k."

Guess what? Most of these can be solved using two powerful techniques: Two Pointers and Sliding Window.

Let’s break them down and see how they can save you from brute force nightmares