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The two pointer technique is one of the most useful DSA patterns to know, especially for technical interviews where you need ...

In this video, we'll break down how Two Pointers actually works, where to use it, and how to avoid the most common mistakes ...

Finding the longest substring without repeating characters? Use the sliding window technique! Two pointers + a hash set = O(n) ...

Two pointers is a powerful pattern — but only when used correctly. Many LeetCode failures happen because people force ...

In this video, we solve LeetCode 125 — Valid Palindrome using the Two Pointers pattern. We start by understanding the problem ...

In this video, we break down one of the MOST important patterns used across LeetCode, Codeforces, and coding interviews ...

Day 12/150 – LeetCode 150 Interview Questions Series (Java) In this video, we solve the “Trapping Rain Water” problem — one ...

Move Zeros (LeetCode 283) – Two Pointers In this video, we simulate the solution of LeetCode Problem 283 – Move Zeroes using ...

In this video, we solve the “Remove Element” problem (LeetCode 27) using the Two Pointer technique. Instead of memorizing ...

Learn how to solve the 'Squares of a Sorted Array' coding interview problem efficiently using the Two Pointers technique! In this ...

Learn how to solve the classic 'Container With Maximum Water' problem efficiently using the Two Pointer technique! In this ...

In this video, we solve the problem Remove Duplicates from Sorted Array using the Two Pointer Technique. This is a very ...

Day 6 of my 1000 LeetCode Problems Challenge Solved LeetCode 392 – Is Subsequence using a simple and intuitive ...

In this video, solve Leetcode 26 Remove Duplicates from Sorted Array using an optimal two-pointer approach in JavaScript.

Day 8/150 – LeetCode 150 Interview Questions Series (Java) In this video, we solve the “Valid Palindrome” problem — a very ...

Day 9/150 – LeetCode 150 Interview Questions Series (Java) In this video, we solve “Two Sum II – Input Array Is Sorted”, a classic ...

Learn how to solve the 'Sort Transformed Array' coding interview problem using the Two Pointers technique! In this video, we ...

In this episode of the LeetCode Top Interview 150 series, we solve the iconic Trapping Rain Water (LeetCode 42) problem — a ...

In this video, we solve LeetCode Problem 977 — Squares of a Sorted Array. We start by understanding why the naive approach of ...

Day 10 of my 1000 LeetCode Problems Challenge Solved LeetCode 167 – Two Sum II (Input Array Is Sorted) using the ...