Скачать или смотреть L0. Introduction to Sliding Window & 2 Pointers | Generic Templates | Pattern Wise

🚀 Sliding Window & Two Pointers Simplified | Fixed & Variable Window | All Patterns
📺 DSA Simplified By Pratham

CLASS NOTES LINK - https://drive.google.com/file/d/1KBuW...

00:00 Introduction
00:06 Sliding Window & Two Pointers — Core Concept
00:46 Types of Sliding Window Problems Overview
00:51 Fixed Size Sliding Window Explained
01:20 Variable Size Sliding Window Explained
01:51 Subarrays vs Substrings — Key Difference
02:38 How to Generate All Possible Subarrays
06:48 Window Size Formula (j - i + 1)
07:52 Brute Force Time Complexity Analysis (O(N²))
09:32 Fixed Size Window Example — Maximum Subarray Sum of Size K
18:46 Optimizing Brute Force Using Sliding Window
20:41 Generic Template — Fixed Size Sliding Window
25:36 Generic Template — Variable Size Sliding Window

This playlist is a complete guide to mastering Sliding Window and 2 Pointers techniques — one of the most important and frequently asked patterns in coding interviews.

We will cover *Fixed Size Window**, **Variable Size Window**, and all major **parent problem patterns* step by step with intuition, dry runs, and optimized approaches.

If you want to become strong in array and string problems for placements and interviews, this series is for you.

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📌 What You Will Learn in This Playlist:

✅ Introduction to Sliding Window & Two Pointers
✅ Fixed Size Sliding Window Pattern
✅ Variable Size Sliding Window Pattern
✅ Two Pointer Techniques
✅ Brute Force → Optimized Approach Thinking
✅ Pattern Identification Tricks

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📚 Parent Problems Covered (All Core Patterns):

⭐ Maximum / Minimum Sum Subarray of Size K
⭐ First Negative Number in Every Window
⭐ Count Occurrences of Anagrams
⭐ Maximum of All Subarrays of Size K
⭐ Longest Substring Without Repeating Characters
⭐ Longest Substring with K Unique Characters
⭐ Minimum Window Substring
⭐ Longest Repeating Character Replacement
⭐ Permutation in String
⭐ Smallest Subarray with Given Sum
⭐ Fruits into Baskets Pattern
⭐ Subarrays with K Distinct Integers
⭐ Binary Subarray with Sum
⭐ Longest Ones After Replacement

…and many more interview-level questions.

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🎯 Who Should Follow This Playlist?

• Beginners learning DSA
• Placement Preparation Candidates
• Coding Interview Aspirants
• Anyone struggling with subarray or substring problems

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📢 Join WhatsApp Channel for Daily DSA Updates:
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💡 Why This Playlist is Important?

Sliding Window & Two Pointers are among the most frequently asked patterns in coding interviews at top product-based companies like Amazon, Google, Microsoft, Adobe, Uber, and more.

Mastering these patterns will significantly improve your problem-solving speed and confidence.

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#SlidingWindow #TwoPointers #DSA #CodingInterview #LeetCode #PlacementPreparation #Algorithms #DataStructures