Скачать или смотреть L7. Longest Substring With K Unique Character | Variable Size | Sliding Window Technique

Longest Substring With K Unique Character
Variable Size Sliding Window Problems
Sliding Window Simplified By Pratham

Problem Link: https://www.geeksforgeeks.org/problem...


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Sliding Window Playlist:
   • Sliding Window Technique  

Timestamp:
00:00 Introduction
00:07 Introduction to Variable Size Sliding Window
01:35 Shrinking the Window in Variable Size Problems
02:15 Generic Template for Sliding Window Problems
03:37 Problem Statement: Longest Substring with K Unique Characters
05:48 Brute Force Approach Discussion
06:22 Sliding Window Approach and Data Structures
08:39 Dry Run of the Approach
16:06 Pseudo Code and Time/Space Complexity
18:53 Code Implementation

In this video, we solve the famous *Longest Substring with K Unique Characters* problem using the **Variable Size Sliding Window technique**.

This is a very important *DSA interview problem* and helps you understand the **Sliding Window / Two Pointers pattern**, which is frequently asked in coding interviews.

If you are preparing for **coding interviews, placements, or DSA rounds**, mastering the Sliding Window pattern is extremely important because many problems can be solved using this approach.

Topics Covered in this Video:
• Variable Size Sliding Window Technique
• Longest Substring with K Distinct Characters
• Optimal Approach Explanation
• Time Complexity Analysis
• Clean Code Implementation

This video is part of my **Sliding Window & Two Pointers Interview Pattern Playlist**, where we cover the most important problems asked in coding interviews.

Practice Similar Problems:
• Longest Substring Without Repeating Characters

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#datastructuresandalgorithms #variableslidingwindow #programming
#interviewpreparation #faangpreparation