📚 Learn Data Structures and Algorithms from Scratch

📅 Course Information

• Duration: January 6, 2025 - February 14, 2025
• Schedule: Monday to Friday, 6 PM - 7 PM
• Trainers:
  • Muhammad Bilal 👨🏫
  • Ahmad Fakhar 👨🏫
• Moderators:
  • Muhammad Ibrahim Qasmi 👨🏫
  • Tayyab Sajjad 👨🏫

📖 Course Contents

📚 Week 1: Introduction to DSA and Array Operations

📅 Day 1 - Introduction to DSA & Array Operations

• Presenter: Muhammad Bilal 👨🏫
• Lecture Notes: Week 1 Lecture Notes 📝
• Recorded Lecture: Session 1 Recording 📹
• Colab Notebook: Week 1 Colab Notebook 💻
• Concepts Covered:
  • Fundamentals of Data Structures and Algorithms
  • Array Operations (Insertion, Deletion, Traversal)
  • Array Implementation in Python

📅 Day 2 - Time & Space Complexity

• Presenter: Muhammad Bilal 👨🏫
• Lecture Notes: Week 1 Lecture Notes 📝
• Recorded Lecture: Session 2 Recording 📹
• Colab Notebook: Week 1 Colab Notebook 💻
• Concepts Covered:
  • Big O Notation
  • Time Complexity Analysis
  • Space Complexity Analysis

📅 Day 3 - Array Manipulation Problems

• Presenter: Muhammad Bilal 👨🏫
• LeetCode Problems:
  • Two Sum 📹
  • Single Number 📹
• Recorded Lecture: Session 3 Recording 📹
• Practice Problems:
  • Array Manipulation
  • Search and Sort
  • Basic Problem-Solving

📅 Day 4 - More Array Problems

• Presenter: Muhammad Bilal 👨🏫
• LeetCode Problems:
  • Concatenation of Array 📹
  • Counting Words With a Given Prefix 📹
• Recorded Lecture: Session 4 Recording 📹

📅 Day 5 - Presentation Day

• Presenters: Hanzla Nawaz, Saif Ur Rasool, Abdullah Jameel 👨🏫
• Presentations:
  • Contains Duplicate ✍️
  • Find Numbers with Even Number of Digits ✍️
  • Fizz Buzz ✍️
  • Power of Two ✍️
  • Reverse String ✍️
• Recorded Lecture: Session 5 Recording 📹

📚 Week 2: String and Hashmap

📅 Day 1 - String Operations

• Presenters: Muhammad Bilal, Adeeba Rafi 👨🏫👩🏫
• Lecture Notes: Week 2 Lecture Notes 📝
• Recorded Lecture: Session 6 Recording 📹
• Colab Notebook: Week 2 Colab Notebook 💻
• Concepts Covered:
  • String Basics
  • String Operations
  • Implementation Techniques

📅 Day 2 - String Array Problems

• Presenter: Muhammad Bilal 👨🏫
• LeetCode Problems:
  • Check If Two String Arrays are Equivalent 📹
  • Counting Words With a Given Prefix 📹
• Recorded Lecture: Session 7 Recording 📹

📅 Day 3 - Hashmap Operations

• Presenter: Muhammad Bilal 👨🏫
• Lecture Notes: Week 2 Lecture Notes 📝
• Recorded Lecture: Session 8 Recording 📹
• Colab Notebook: Week 2 Colab Notebook 💻
• Concepts Covered:
  • Hashmap Fundamentals
  • Implementation Strategies
  • Common Operations

📅 Day 4 - Hashmap Problems

• Presenters: Muhammad Bilal, Adeeba Rafi 👨🏫👩🏫
• LeetCode Problems:
  • Two Sum 📹
  • First Unique Character in a String 📹
• Recorded Lecture: Session 9 Recording 📹

📅 Day 5 - Presentation Day

• Presenters: Safiullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• Presentations:
  • First Letter to Appear Twice ✍️
  • Design HashMap ✍️
• Recorded Lecture: Session 10 Recording 📹

📚 Week 3: Stack and Queue

📅 Day 1 - Stack Operations

• Presenter: Muhammad Bilal 👨🏫
• Lecture Notes: Week 3 Lecture Notes 📝
• Recorded Lecture: Session 11 Recording 📹
• Colab Notebook: Week 3 Colab Notebook 💻
• Concepts Covered:
  • Stack ADT
  • Implementation Methods
  • Basic Operations
  • Remove All Adjacent Duplicates In String 📹

📅 Day 2 - Stack Problems

• Presenter: Muhammad Bilal 👨🏫
• LeetCode Problems:
  • Removing Stars From a String 📹
  • Baseball Game 📹
• Recorded Lecture: Session 13 Recording 📹

📅 Day 3 - Queue Operations

• Presenter: Muhammad Bilal 👨🏫
• Lecture Notes: Week 3 Lecture Notes 📝
• Recorded Lecture: Session 14 Recording 📹
• Colab Notebook: Week 3 Colab Notebook 💻
• Concepts Covered:
  • Queue ADT
  • Implementation Methods
  • Basic Operations
  • Implement Queue using Stacks 📹

📅 Day 4 - Queue Problems

• Presenters: Ahmad Fakhar, Muhammad Bilal 👨🏫👨🏫
• LeetCode Problems:
  • Number of Students Unable to Eat Lunch 📹
• Recorded Lecture: Session 15 Recording 📹

📅 Day 5 - Presentation Day

• Presenter: Saifullaha Saleem 👨🏫
• Presentations:
  • Backspace String Compare ✍️
• Recorded Lecture: Session 16 Recording 📹

📚 Week 4: Two Pointers Technique

📅 Day 1 - Introduction to Two Pointers

• Presenters: Quaid Khalid, Asim Khan, Ahmad Fakhar 👨🏫👨🏫👨🏫
• Lecture Notes: Week 4 Lecture Notes 📝
• Recorded Lecture: Session 17 Recording 📹
• Concepts Covered:
  • Two Pointers Pattern
  • Implementation Strategies
  • Two Sum Problem
• LeetCode Problems:
  • Remove Duplicates from Sorted Array 📹
  • Remove Element 📹

📅 Day 2 - Two Pointers Problems

• Presenters: Ahmad Fakhar, Muhammad Bilal 👨🏫👨🏫
• LeetCode Problems:
  • Remove Duplicates from Sorted Array 📹
  • Remove Element 📹
  • Two Sum II - Input Array Is Sorted 📹
• Recorded Lecture: Session 18 Recording 📹

📅 Day 3 - More Two Pointers Problems

• Presenter: Muhammad Bilal 👨🏫
• LeetCode Problems:
  • Valid Palindrome 📹
  • Reverse Vowels of a String 📹
• Recorded Lecture: Session 19 Recording 📹

📅 Day 4 - Advanced Two Pointers Problems

• Presenter: Ahmad Fakhar 👨🏫
• LeetCode Problems:
  • Reverse String 📹
  • Valid Palindrome 📹
• Recorded Lecture: Session 20 Recording 📹

📅 Day 5 - Presentation Day

• Presenters: Safiullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• Presentations:
  • Faulty Keyboard ✍️
  • Sort Colors ✍️
• Recorded Lecture: Session 21 Recording 📹

📚 Week 5: Linked List

📅 Day 1 - Linked List Basics

• Presenter: Ahmad Fakhar 👨🏫
• Lecture Notes: Week 5 Lecture Notes 📝
• Recorded Lecture: Session 22 Recording 📹
• Concepts Covered:
  • Linked List Basics
  • Singly Linked List Operations
  • Implementation Methods
• LeetCode Problems:
  • Remove Duplicates from Sorted List 📹

📅 Day 2 - Linked List Problems

• Presenter: Ahmad Fakhar 👨🏫
• LeetCode Problems:
  • Middle of the Linked List 📹
  • Delete the Middle Node of a Linked List 📹
• Recorded Lecture: Session 23 Recording 📹

📅 Day 3 - More Linked List Problems

• Presenter: Ahmad Fakhar 👨🏫
• LeetCode Problems:
  • Remove Linked List Elements 📹
• Recorded Lecture: Session 24 Recording 📹

📅 Day 4 - Advanced Linked List Problems

• Presenter: Ahmad Fakhar 👨🏫
• LeetCode Problems:
  • Merge Two Sorted Lists 📹
• Recorded Lecture: Session 25 Recording 📹

📅 Day 5 - Presentation Day

• Presenters: Safiullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• Presentations:
  • Reverse Linked List ✍️
• Recorded Lecture: Session 26 Recording 📹

📚 Week 6: Binary Search

📅 Day 1 - Binary Search Basics

• Presenters: Muhammad Bilal, Ahmad Fakhar 👨🏫👨🏫
• Lecture Notes: Week 6 Lecture Notes 📝
• Recorded Lecture: Session 27 Recording 📹
• Concepts Covered:
  • Binary Search
  • Implementation Methods
  • One way & Two way

📅 Day 2 - Binary Search Problems

• Presenter: Ahmad Fakhar 👨🏫
• LeetCode Problems:
  • Binary Search 📹
  • Search Insert Position 📹
• Recorded Lecture: Session 28 Recording 📹

📅 Day 3 - String Operations & Problems

• Presenters: Saflullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• LeetCode Problems:
  • Valid Anagram 📹
• Recorded Lecture: Session 29 Recording 📹

📅 Day 4 - Two Pointer Examples & Problems

• Presenters: Saflullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• LeetCode Problems:
  • Find Minimum in Rotated Sorted Array 📹
• Recorded Lecture: Session 30 Recording 📹

📅 Day 5 - Presentation Day

• Presenters: Saflullah Saleem, Ahmad Fakhar 👨🏫👨🏫
• Presentations:
  • Guess Number Higher or Lower ✍️
  • Clear Digits ✍️
• Recorded Lecture: Session 31 Recording 📹

📚 Resources

🔗 Essential Links

• Course Repository: [Link Coming Soon] 🔗
• Additional Reading Materials: [Link Coming Soon] 📖
• LeetCode Problem Set: [Link Coming Soon] ⭐
• Discussion Forum: [Link Coming Soon] 💬

🎓 Prerequisites

• Basic Python programming knowledge
• Understanding of basic mathematics
• Laptop with Python installed

📢 Weekly Presentation Guidelines

• Present your solution approach
• Explain time and space complexity
• Code walkthrough
• Q&A session

🤝 Getting Help

• Open an issue for technical problems
• Use the discussion forum for concept clarifications
• Contact moderators for administrative queries

---

Made with ❤️ by BTAJI Crew 🚀