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Master LeetCode Patterns: Two Pointers & Sliding Window
Master LeetCode Patterns: Two Pointers & Sliding Window
Master DSA/Leetcode Patterns in Hindi: Learn Two Pointers, Sliding Window, Time, space Complexity for Coding Interviews.
Created byAjay Singh Chouhan
Last updated 1/2026
Hindi
What you'll learn
- Master the Two Pointers technique to solve complex Array and String problems efficiently.
- Understand Sliding Window patterns (Fixed & Variable size) to optimize code from O(N²) to O(N).
- Learn to calculate Time and Space Complexity (Big O Notation) to write interview-ready code.
- Solve 9 fundamental LeetCode problems step-by-step with clear Hindi explanations and visualizations.
- Build the ability to recognize which pattern to use when seeing a new coding problem.
Explore related topics
Course content
4 sections • 14 lectures • 1h 19m total length
Requirements
- Basic understanding of any one programming language (Python, Java, or C++).
- Knowledge of basic concepts like Loops (for/while), Arrays (Lists), and If-Else conditions.
- No prior experience with Data Structures or Algorithms (DSA) is needed.
Description
Are you struggling to solve LeetCode problems? Do you find Data Structures and Algorithms (DSA) difficult to understand in English?
Welcome to "Master LeetCode Patterns: Two Pointers & Sliding Window" – a course designed specifically for beginners who want to build strong coding logic using Hindi explanations.
Many students make the mistake of memorizing code. But in a coding interview, memorization fails. To clear interviews at top product-based companies, you need to recognize Patterns.
In this course, we will not just write code; we will visualize how algorithms work. We focus on two of the most popular and powerful patterns: Two Pointers and Sliding Window. Mastering these will help you solve hundreds of array and string problems with confidence.
Why take this course?
100% Hindi Explanations: Complex concepts explained in simple, everyday Hindi.
Focus on Logic, Not Syntax: Whether you use Python, C++, or Java, the logic remains the same.
Visual Learning: We use diagrams and step-by-step walkthroughs to explain how pointers move and windows slide.
Beginner Friendly: We start from scratch. No prior DSA knowledge is required.
What will you learn?
Time & Space Complexity: Finally understand Big O Notation (O(1), O(N), O(N²)) without confusing mathematics.
The Two Pointer Technique: Learn when to use opposite-direction pointers and same-direction pointers to optimize your code.
The Sliding Window Technique: Master Fixed-size and Variable-size windows to handle subarray problems efficiently.
Step-by-Step Problem Solving: We will solve 9 hand-picked LeetCode problems together, ranging from Easy to Medium level.
Course Curriculum Overview:
Introduction: Understanding the "Pattern" mindset.
The Fundamentals: Time Complexity & Space Complexity (simplified for beginners).
Two Pointers Deep Dive: Solving classic problems like Reverse String, Two Sum II, Move Zeroes, and more.
Sliding Window Mastery: tackling Maximum Average Subarray, Substrings of Size Three, and Minimum Size Subarray Sum.
Who is this course for?
College students preparing for placements and internships.
Beginners who have just started coding and find DSA intimidating.
Developers who want to switch to product-based companies.
Anyone who prefers learning technical concepts in Hindi.
Stop fearing "Time Limit Exceeded" (TLE) errors. Enroll now and start building your coding logic today!
Who this course is for:
- Beginners who want to start their LeetCode and DSA journey.
- Students preparing for placements or coding interviews
- Python/Java/C++ developers who want to improve their logic building skills.