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Learn how to solve the 'Remove All Adjacent Duplicates in String' problem using a Stack! In this video, we break down the logic ...

Learn how to solve the Decode String problem (LeetCode 394) using a Stack data structure! This video breaks down the logic ...

Learn how to solve the Sliding Window Maximum problem efficiently using a Monotonic Deque! In this video, we deeply ...

Learn how to solve the Valid Perfect Square problem (LeetCode 367) efficiently without using built-in square root functions!

Learn how to reverse a Linked List iteratively in this step-by-step visual guide! Reversing a linked list is one of the most ...

Learn how to solve the Next Smaller Element problem using the Monotonic Stack pattern! In this video, we break down the ...

Learn how to solve the Basic Calculator problem (LeetCode 224) efficiently using a Stack data structure! In this video, we break ...

Learn how to solve the Basic Calculator II problem (LeetCode 227) using a Stack data structure! In this video, we break down ...

Learn how to solve the Binary Tree Left Side View problem on LeetCode! This is a classic question often asked in technical ...

Learn how to design a scalable Hit Counter using the Sliding Window algorithm! In this video, we tackle a popular system ...

Learn how to solve the classic coding interview problem: Multiplying two numbers represented by Linked Lists! In this video, we ...

In this video, we solve LeetCode 1209: Remove All Adjacent Duplicates in String II. This is a great problem to practice stack-based ...

You are given a string s consisting of lowercase characters and an integer k, You have to count all possible substrings that have ...

Learn how to reverse a Singly Linked List using Recursion! In this video, we break down one of the most common coding ...

Learn how to determine if a Singly Linked List is a palindrome using the optimal O(1) Space approach! In this video, we break ...

Working with APIs or variable naming conventions and need to convert camelCase to snake_case in Python? In this short, you'll ...

Learn how to convert Infix expressions to Prefix notation (Polish Notation) using the simple Reverse-Postfix-Reverse method!

Learn how to solve the 'Add Two Numbers' problem using Linked Lists! In this video, we break down the algorithm for adding ...

Learn how to find the intersection point of two Singly Linked Lists efficiently! In this video, we explore the 'Intersection of Two ...

Learn how to solve the 'Remove Nth Node From End of List' problem (LeetCode 19) using the optimal one-pass Two Pointer ...