Two Pointers Js, This guide provides a comprehensive overview of the technique, practical examples, and tips for mastering it. Dec 12, 2023 · Studying for the Leetcode style coding interview? This post uses a visual-first approach to help you master the two-pointer technique. Check the sum of the elements at these two pointers: If the sum equals the target, we’ve found the pair. Here is an example (I use the underscore to denote a pointer): Dec 17, 2022 · The two-pointer technique is a powerful approach to solving certain problems with optimal time and space complexity. One common application is finding pairs in a sorted array that sum up to a given target. May 6, 2025 · If your code still leans on O (n²) loops to scan arrays, the Two-Pointer technique is one of the simplest ways to unlock linear-time speed-ups—without fancy data structures or extra memory. It’s widely used in coding interviews and competitive programming, especially for Jul 9, 2021 · JavaScript Jan 2, 2025 · When solving problems involving arrays or strings, the two-pointer technique is an efficient and versatile approach. LeetCode Problems solved in this video: Thanks for Watching! If you found this video helpful, check other Geekific Oct 7, 2024 · You need to find the middle of the given Linked List. Walk through of one of the most useful techniques, the two pointer, definitely worth knowing for coding interviews at companies like Microsoft, Amazon, Apple 6 days ago · If two pointers are down, and the distance between the pointers is increasing (signifying a pinch out or zoom in), the element's background color is changed to pink, and if the distance between the pointers is decreasing (a pinch in or zoom out), the background color is changed to lightblue. It helps reduce the time complexity of various algorithms and ensures minimal memory usage.

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